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Finding the Fourth Proportional to 6,081.42, 9,122.49 and 1,698.88

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Solution

The fourth proportional to 6,081.42, 9,122.49 and 1,698.88 is: 2,548.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.42 : 9,122.49 = 1,698.88 : x
  2. Step 2: Convert to fraction form
    6,081.42/9,122.49 = 1,698.88/x
  3. Step 3: Cross multiply
    6,081.42x = 9,122.49 × 1,698.88
  4. Step 4: Simplify right side
    6,081.42x = 15,498,033.59
  5. Step 5: Solve for x
    x = 15,498,033.59/6,081.42
  6. Step 6: Final answer
    x = 2,548.42

Related Problems

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Half scale
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Double scale
Find fourth proportional to 6,082.42, 9,123.99 and 1,699.88
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.