Home / 8,949.64-13,429.88-5,658.20

Finding the Fourth Proportional to 8,949.64, 13,429.88 and 5,658.20

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Solution

The fourth proportional to 8,949.64, 13,429.88 and 5,658.20 is: 8,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.64 : 13,429.88 = 5,658.20 : x
  2. Step 2: Convert to fraction form
    8,949.64/13,429.88 = 5,658.20/x
  3. Step 3: Cross multiply
    8,949.64x = 13,429.88 × 5,658.20
  4. Step 4: Simplify right side
    8,949.64x = 75,988,947.02
  5. Step 5: Solve for x
    x = 75,988,947.02/8,949.64
  6. Step 6: Final answer
    x = 8,490.73

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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.