Home / 8,251.32-11,385.54-5,269.74

Finding the Fourth Proportional to 8,251.32, 11,385.54 and 5,269.74

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Solution

The fourth proportional to 8,251.32, 11,385.54 and 5,269.74 is: 7,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.32 : 11,385.54 = 5,269.74 : x
  2. Step 2: Convert to fraction form
    8,251.32/11,385.54 = 5,269.74/x
  3. Step 3: Cross multiply
    8,251.32x = 11,385.54 × 5,269.74
  4. Step 4: Simplify right side
    8,251.32x = 59,998,835.56
  5. Step 5: Solve for x
    x = 59,998,835.56/8,251.32
  6. Step 6: Final answer
    x = 7,271.42

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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.