Home / 8,389.26-12,583.98-2,545.92

Finding the Fourth Proportional to 8,389.26, 12,583.98 and 2,545.92

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Solution

The fourth proportional to 8,389.26, 12,583.98 and 2,545.92 is: 3,818.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.26 : 12,583.98 = 2,545.92 : x
  2. Step 2: Convert to fraction form
    8,389.26/12,583.98 = 2,545.92/x
  3. Step 3: Cross multiply
    8,389.26x = 12,583.98 × 2,545.92
  4. Step 4: Simplify right side
    8,389.26x = 32,037,806.36
  5. Step 5: Solve for x
    x = 32,037,806.36/8,389.26
  6. Step 6: Final answer
    x = 3,818.91

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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.