Home / 7,988.17-11,023.68-4,452.07

Finding the Fourth Proportional to 7,988.17, 11,023.68 and 4,452.07

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Solution

The fourth proportional to 7,988.17, 11,023.68 and 4,452.07 is: 6,143.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.17 : 11,023.68 = 4,452.07 : x
  2. Step 2: Convert to fraction form
    7,988.17/11,023.68 = 4,452.07/x
  3. Step 3: Cross multiply
    7,988.17x = 11,023.68 × 4,452.07
  4. Step 4: Simplify right side
    7,988.17x = 49,078,195.02
  5. Step 5: Solve for x
    x = 49,078,195.02/7,988.17
  6. Step 6: Final answer
    x = 6,143.86

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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.