Home / 8,363.31-12,545.45-2,519.31

Finding the Fourth Proportional to 8,363.31, 12,545.45 and 2,519.31

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Solution

The fourth proportional to 8,363.31, 12,545.45 and 2,519.31 is: 3,779.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.31 : 12,545.45 = 2,519.31 : x
  2. Step 2: Convert to fraction form
    8,363.31/12,545.45 = 2,519.31/x
  3. Step 3: Cross multiply
    8,363.31x = 12,545.45 × 2,519.31
  4. Step 4: Simplify right side
    8,363.31x = 31,605,865.04
  5. Step 5: Solve for x
    x = 31,605,865.04/8,363.31
  6. Step 6: Final answer
    x = 3,779.11

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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.