Home / 9,728.32-13,425.60-5,537.92

Finding the Fourth Proportional to 9,728.32, 13,425.60 and 5,537.92

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Solution

The fourth proportional to 9,728.32, 13,425.60 and 5,537.92 is: 7,642.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,728.32 : 13,425.60 = 5,537.92 : x
  2. Step 2: Convert to fraction form
    9,728.32/13,425.60 = 5,537.92/x
  3. Step 3: Cross multiply
    9,728.32x = 13,425.60 × 5,537.92
  4. Step 4: Simplify right side
    9,728.32x = 74,349,898.75
  5. Step 5: Solve for x
    x = 74,349,898.75/9,728.32
  6. Step 6: Final answer
    x = 7,642.62

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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.