Home / 8,819.47-13,228.40-2,976.13

Finding the Fourth Proportional to 8,819.47, 13,228.40 and 2,976.13

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Solution

The fourth proportional to 8,819.47, 13,228.40 and 2,976.13 is: 4,463.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.47 : 13,228.40 = 2,976.13 : x
  2. Step 2: Convert to fraction form
    8,819.47/13,228.40 = 2,976.13/x
  3. Step 3: Cross multiply
    8,819.47x = 13,228.40 × 2,976.13
  4. Step 4: Simplify right side
    8,819.47x = 39,369,463.72
  5. Step 5: Solve for x
    x = 39,369,463.72/8,819.47
  6. Step 6: Final answer
    x = 4,463.92

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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.