Home / 8,389.02-12,583.92-2,545.68

Finding the Fourth Proportional to 8,389.02, 12,583.92 and 2,545.68

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Solution

The fourth proportional to 8,389.02, 12,583.92 and 2,545.68 is: 3,818.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.02 : 12,583.92 = 2,545.68 : x
  2. Step 2: Convert to fraction form
    8,389.02/12,583.92 = 2,545.68/x
  3. Step 3: Cross multiply
    8,389.02x = 12,583.92 × 2,545.68
  4. Step 4: Simplify right side
    8,389.02x = 32,034,633.47
  5. Step 5: Solve for x
    x = 32,034,633.47/8,389.02
  6. Step 6: Final answer
    x = 3,818.64

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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.