Home / 9,940.04-13,717.38-5,464.28

Finding the Fourth Proportional to 9,940.04, 13,717.38 and 5,464.28

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Solution

The fourth proportional to 9,940.04, 13,717.38 and 5,464.28 is: 7,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.04 : 13,717.38 = 5,464.28 : x
  2. Step 2: Convert to fraction form
    9,940.04/13,717.38 = 5,464.28/x
  3. Step 3: Cross multiply
    9,940.04x = 13,717.38 × 5,464.28
  4. Step 4: Simplify right side
    9,940.04x = 74,955,605.19
  5. Step 5: Solve for x
    x = 74,955,605.19/9,940.04
  6. Step 6: Final answer
    x = 7,540.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.