Home / 5,581.68-7,702.88-3,192.05

Finding the Fourth Proportional to 5,581.68, 7,702.88 and 3,192.05

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Solution

The fourth proportional to 5,581.68, 7,702.88 and 3,192.05 is: 4,405.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.68 : 7,702.88 = 3,192.05 : x
  2. Step 2: Convert to fraction form
    5,581.68/7,702.88 = 3,192.05/x
  3. Step 3: Cross multiply
    5,581.68x = 7,702.88 × 3,192.05
  4. Step 4: Simplify right side
    5,581.68x = 24,587,978.10
  5. Step 5: Solve for x
    x = 24,587,978.10/5,581.68
  6. Step 6: Final answer
    x = 4,405.12

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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.