Home / 8,600.16-12,882.96-5,135.52

Finding the Fourth Proportional to 8,600.16, 12,882.96 and 5,135.52

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Solution

The fourth proportional to 8,600.16, 12,882.96 and 5,135.52 is: 7,692.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.16 : 12,882.96 = 5,135.52 : x
  2. Step 2: Convert to fraction form
    8,600.16/12,882.96 = 5,135.52/x
  3. Step 3: Cross multiply
    8,600.16x = 12,882.96 × 5,135.52
  4. Step 4: Simplify right side
    8,600.16x = 66,160,698.74
  5. Step 5: Solve for x
    x = 66,160,698.74/8,600.16
  6. Step 6: Final answer
    x = 7,692.96

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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.