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Finding the Fourth Proportional to 8,601, 12,903.67 and 2,445

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Solution

The fourth proportional to 8,601, 12,903.67 and 2,445 is: 3,668.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601 : 12,903.67 = 2,445 : x
  2. Step 2: Convert to fraction form
    8,601/12,903.67 = 2,445/x
  3. Step 3: Cross multiply
    8,601x = 12,903.67 × 2,445
  4. Step 4: Simplify right side
    8,601x = 31,549,467.04
  5. Step 5: Solve for x
    x = 31,549,467.04/8,601
  6. Step 6: Final answer
    x = 3,668.12

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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.