Home / 8,320.01-12,469.64-5,350.55

Finding the Fourth Proportional to 8,320.01, 12,469.64 and 5,350.55

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Solution

The fourth proportional to 8,320.01, 12,469.64 and 5,350.55 is: 8,019.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.01 : 12,469.64 = 5,350.55 : x
  2. Step 2: Convert to fraction form
    8,320.01/12,469.64 = 5,350.55/x
  3. Step 3: Cross multiply
    8,320.01x = 12,469.64 × 5,350.55
  4. Step 4: Simplify right side
    8,320.01x = 66,719,343.20
  5. Step 5: Solve for x
    x = 66,719,343.20/8,320.01
  6. Step 6: Final answer
    x = 8,019.15

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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.