Home / 5,630.24-8,436.24-3,432.30

Finding the Fourth Proportional to 5,630.24, 8,436.24 and 3,432.30

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Solution

The fourth proportional to 5,630.24, 8,436.24 and 3,432.30 is: 5,142.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.24 : 8,436.24 = 3,432.30 : x
  2. Step 2: Convert to fraction form
    5,630.24/8,436.24 = 3,432.30/x
  3. Step 3: Cross multiply
    5,630.24x = 8,436.24 × 3,432.30
  4. Step 4: Simplify right side
    5,630.24x = 28,955,706.55
  5. Step 5: Solve for x
    x = 28,955,706.55/5,630.24
  6. Step 6: Final answer
    x = 5,142.89

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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.