Home / 7,897.29-11,834.99-4,387.76

Finding the Fourth Proportional to 7,897.29, 11,834.99 and 4,387.76

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Solution

The fourth proportional to 7,897.29, 11,834.99 and 4,387.76 is: 6,575.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.29 : 11,834.99 = 4,387.76 : x
  2. Step 2: Convert to fraction form
    7,897.29/11,834.99 = 4,387.76/x
  3. Step 3: Cross multiply
    7,897.29x = 11,834.99 × 4,387.76
  4. Step 4: Simplify right side
    7,897.29x = 51,929,095.72
  5. Step 5: Solve for x
    x = 51,929,095.72/7,897.29
  6. Step 6: Final answer
    x = 6,575.56

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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.