Home / 8,445-12,669.18-2,601.36

Finding the Fourth Proportional to 8,445, 12,669.18 and 2,601.36

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Solution

The fourth proportional to 8,445, 12,669.18 and 2,601.36 is: 3,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445 : 12,669.18 = 2,601.36 : x
  2. Step 2: Convert to fraction form
    8,445/12,669.18 = 2,601.36/x
  3. Step 3: Cross multiply
    8,445x = 12,669.18 × 2,601.36
  4. Step 4: Simplify right side
    8,445x = 32,957,098.08
  5. Step 5: Solve for x
    x = 32,957,098.08/8,445
  6. Step 6: Final answer
    x = 3,902.56

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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.