Home / 8,660.21-12,957.88-6,167.16

Finding the Fourth Proportional to 8,660.21, 12,957.88 and 6,167.16

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Solution

The fourth proportional to 8,660.21, 12,957.88 and 6,167.16 is: 9,227.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.21 : 12,957.88 = 6,167.16 : x
  2. Step 2: Convert to fraction form
    8,660.21/12,957.88 = 6,167.16/x
  3. Step 3: Cross multiply
    8,660.21x = 12,957.88 × 6,167.16
  4. Step 4: Simplify right side
    8,660.21x = 79,913,326.93
  5. Step 5: Solve for x
    x = 79,913,326.93/8,660.21
  6. Step 6: Final answer
    x = 9,227.64

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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.