Home / 8,389.05-12,583.85-2,545.71

Finding the Fourth Proportional to 8,389.05, 12,583.85 and 2,545.71

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Solution

The fourth proportional to 8,389.05, 12,583.85 and 2,545.71 is: 3,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.05 : 12,583.85 = 2,545.71 : x
  2. Step 2: Convert to fraction form
    8,389.05/12,583.85 = 2,545.71/x
  3. Step 3: Cross multiply
    8,389.05x = 12,583.85 × 2,545.71
  4. Step 4: Simplify right side
    8,389.05x = 32,034,820.05
  5. Step 5: Solve for x
    x = 32,034,820.05/8,389.05
  6. Step 6: Final answer
    x = 3,818.65

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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.