Home / 8,388.45-12,582.65-2,545.07

Finding the Fourth Proportional to 8,388.45, 12,582.65 and 2,545.07

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Solution

The fourth proportional to 8,388.45, 12,582.65 and 2,545.07 is: 3,817.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.45 : 12,582.65 = 2,545.07 : x
  2. Step 2: Convert to fraction form
    8,388.45/12,582.65 = 2,545.07/x
  3. Step 3: Cross multiply
    8,388.45x = 12,582.65 × 2,545.07
  4. Step 4: Simplify right side
    8,388.45x = 32,023,668.48
  5. Step 5: Solve for x
    x = 32,023,668.48/8,388.45
  6. Step 6: Final answer
    x = 3,817.59

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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.