Home / 5,660.20-8,490.67-1,500.15

Finding the Fourth Proportional to 5,660.20, 8,490.67 and 1,500.15

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Solution

The fourth proportional to 5,660.20, 8,490.67 and 1,500.15 is: 2,250.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.20 : 8,490.67 = 1,500.15 : x
  2. Step 2: Convert to fraction form
    5,660.20/8,490.67 = 1,500.15/x
  3. Step 3: Cross multiply
    5,660.20x = 8,490.67 × 1,500.15
  4. Step 4: Simplify right side
    5,660.20x = 12,737,278.60
  5. Step 5: Solve for x
    x = 12,737,278.60/5,660.20
  6. Step 6: Final answer
    x = 2,250.32

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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.