Home / 9,331.28-13,999.86-4,400.72

Finding the Fourth Proportional to 9,331.28, 13,999.86 and 4,400.72

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Solution

The fourth proportional to 9,331.28, 13,999.86 and 4,400.72 is: 6,602.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.28 : 13,999.86 = 4,400.72 : x
  2. Step 2: Convert to fraction form
    9,331.28/13,999.86 = 4,400.72/x
  3. Step 3: Cross multiply
    9,331.28x = 13,999.86 × 4,400.72
  4. Step 4: Simplify right side
    9,331.28x = 61,609,463.90
  5. Step 5: Solve for x
    x = 61,609,463.90/9,331.28
  6. Step 6: Final answer
    x = 6,602.47

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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.