Home / 9,159.71-13,740.56-2,918.26

Finding the Fourth Proportional to 9,159.71, 13,740.56 and 2,918.26

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Solution

The fourth proportional to 9,159.71, 13,740.56 and 2,918.26 is: 4,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.71 : 13,740.56 = 2,918.26 : x
  2. Step 2: Convert to fraction form
    9,159.71/13,740.56 = 2,918.26/x
  3. Step 3: Cross multiply
    9,159.71x = 13,740.56 × 2,918.26
  4. Step 4: Simplify right side
    9,159.71x = 40,098,457.92
  5. Step 5: Solve for x
    x = 40,098,457.92/9,159.71
  6. Step 6: Final answer
    x = 4,377.70

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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.