Home / 4,081.47-6,122.21-1,159.40

Finding the Fourth Proportional to 4,081.47, 6,122.21 and 1,159.40

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Solution

The fourth proportional to 4,081.47, 6,122.21 and 1,159.40 is: 1,739.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.47 : 6,122.21 = 1,159.40 : x
  2. Step 2: Convert to fraction form
    4,081.47/6,122.21 = 1,159.40/x
  3. Step 3: Cross multiply
    4,081.47x = 6,122.21 × 1,159.40
  4. Step 4: Simplify right side
    4,081.47x = 7,098,053.87
  5. Step 5: Solve for x
    x = 7,098,053.87/4,081.47
  6. Step 6: Final answer
    x = 1,739.09

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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.