Home / 8,150.64-11,248.20-4,747.40

Finding the Fourth Proportional to 8,150.64, 11,248.20 and 4,747.40

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Solution

The fourth proportional to 8,150.64, 11,248.20 and 4,747.40 is: 6,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.64 : 11,248.20 = 4,747.40 : x
  2. Step 2: Convert to fraction form
    8,150.64/11,248.20 = 4,747.40/x
  3. Step 3: Cross multiply
    8,150.64x = 11,248.20 × 4,747.40
  4. Step 4: Simplify right side
    8,150.64x = 53,399,704.68
  5. Step 5: Solve for x
    x = 53,399,704.68/8,150.64
  6. Step 6: Final answer
    x = 6,551.60

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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.