Home / 7,508.70-11,253.60-3,811.95

Finding the Fourth Proportional to 7,508.70, 11,253.60 and 3,811.95

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Solution

The fourth proportional to 7,508.70, 11,253.60 and 3,811.95 is: 5,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,508.70 : 11,253.60 = 3,811.95 : x
  2. Step 2: Convert to fraction form
    7,508.70/11,253.60 = 3,811.95/x
  3. Step 3: Cross multiply
    7,508.70x = 11,253.60 × 3,811.95
  4. Step 4: Simplify right side
    7,508.70x = 42,898,160.52
  5. Step 5: Solve for x
    x = 42,898,160.52/7,508.70
  6. Step 6: Final answer
    x = 5,713.13

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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.