Home / 7,565.20-11,352.24-3,182.32

Finding the Fourth Proportional to 7,565.20, 11,352.24 and 3,182.32

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Solution

The fourth proportional to 7,565.20, 11,352.24 and 3,182.32 is: 4,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565.20 : 11,352.24 = 3,182.32 : x
  2. Step 2: Convert to fraction form
    7,565.20/11,352.24 = 3,182.32/x
  3. Step 3: Cross multiply
    7,565.20x = 11,352.24 × 3,182.32
  4. Step 4: Simplify right side
    7,565.20x = 36,126,460.40
  5. Step 5: Solve for x
    x = 36,126,460.40/7,565.20
  6. Step 6: Final answer
    x = 4,775.35

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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.