Home / 5,531.32-7,632.66-3,406.52

Finding the Fourth Proportional to 5,531.32, 7,632.66 and 3,406.52

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Solution

The fourth proportional to 5,531.32, 7,632.66 and 3,406.52 is: 4,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.32 : 7,632.66 = 3,406.52 : x
  2. Step 2: Convert to fraction form
    5,531.32/7,632.66 = 3,406.52/x
  3. Step 3: Cross multiply
    5,531.32x = 7,632.66 × 3,406.52
  4. Step 4: Simplify right side
    5,531.32x = 26,000,808.94
  5. Step 5: Solve for x
    x = 26,000,808.94/5,531.32
  6. Step 6: Final answer
    x = 4,700.65

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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.