Home / 5,688.60-8,532.90-5,615.70

Finding the Fourth Proportional to 5,688.60, 8,532.90 and 5,615.70

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Solution

The fourth proportional to 5,688.60, 8,532.90 and 5,615.70 is: 8,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.60 : 8,532.90 = 5,615.70 : x
  2. Step 2: Convert to fraction form
    5,688.60/8,532.90 = 5,615.70/x
  3. Step 3: Cross multiply
    5,688.60x = 8,532.90 × 5,615.70
  4. Step 4: Simplify right side
    5,688.60x = 47,918,206.53
  5. Step 5: Solve for x
    x = 47,918,206.53/5,688.60
  6. Step 6: Final answer
    x = 8,423.55

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Similar ratio
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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.