Home / 8,253.60-11,394.90-5,425.71

Finding the Fourth Proportional to 8,253.60, 11,394.90 and 5,425.71

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Solution

The fourth proportional to 8,253.60, 11,394.90 and 5,425.71 is: 7,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.60 : 11,394.90 = 5,425.71 : x
  2. Step 2: Convert to fraction form
    8,253.60/11,394.90 = 5,425.71/x
  3. Step 3: Cross multiply
    8,253.60x = 11,394.90 × 5,425.71
  4. Step 4: Simplify right side
    8,253.60x = 61,825,422.88
  5. Step 5: Solve for x
    x = 61,825,422.88/8,253.60
  6. Step 6: Final answer
    x = 7,490.72

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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.