Home / 8,964.93-13,447.40-2,391.15

Finding the Fourth Proportional to 8,964.93, 13,447.40 and 2,391.15

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Solution

The fourth proportional to 8,964.93, 13,447.40 and 2,391.15 is: 3,586.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.93 : 13,447.40 = 2,391.15 : x
  2. Step 2: Convert to fraction form
    8,964.93/13,447.40 = 2,391.15/x
  3. Step 3: Cross multiply
    8,964.93x = 13,447.40 × 2,391.15
  4. Step 4: Simplify right side
    8,964.93x = 32,154,738.55
  5. Step 5: Solve for x
    x = 32,154,738.55/8,964.93
  6. Step 6: Final answer
    x = 3,586.73

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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.