Home / 7,989.17-11,025.12-4,452.61

Finding the Fourth Proportional to 7,989.17, 11,025.12 and 4,452.61

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Solution

The fourth proportional to 7,989.17, 11,025.12 and 4,452.61 is: 6,144.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.17 : 11,025.12 = 4,452.61 : x
  2. Step 2: Convert to fraction form
    7,989.17/11,025.12 = 4,452.61/x
  3. Step 3: Cross multiply
    7,989.17x = 11,025.12 × 4,452.61
  4. Step 4: Simplify right side
    7,989.17x = 49,090,573.15
  5. Step 5: Solve for x
    x = 49,090,573.15/7,989.17
  6. Step 6: Final answer
    x = 6,144.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.