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Finding the Fourth Proportional to 6,086.99, 9,130.55 and 1,926.92

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Solution

The fourth proportional to 6,086.99, 9,130.55 and 1,926.92 is: 2,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,086.99 : 9,130.55 = 1,926.92 : x
  2. Step 2: Convert to fraction form
    6,086.99/9,130.55 = 1,926.92/x
  3. Step 3: Cross multiply
    6,086.99x = 9,130.55 × 1,926.92
  4. Step 4: Simplify right side
    6,086.99x = 17,593,839.41
  5. Step 5: Solve for x
    x = 17,593,839.41/6,086.99
  6. Step 6: Final answer
    x = 2,890.40

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Double scale
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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.