Home / 8,600.60-12,889.56-6,649.04

Finding the Fourth Proportional to 8,600.60, 12,889.56 and 6,649.04

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Solution

The fourth proportional to 8,600.60, 12,889.56 and 6,649.04 is: 9,964.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.60 : 12,889.56 = 6,649.04 : x
  2. Step 2: Convert to fraction form
    8,600.60/12,889.56 = 6,649.04/x
  3. Step 3: Cross multiply
    8,600.60x = 12,889.56 × 6,649.04
  4. Step 4: Simplify right side
    8,600.60x = 85,703,200.02
  5. Step 5: Solve for x
    x = 85,703,200.02/8,600.60
  6. Step 6: Final answer
    x = 9,964.79

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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.