Home / 8,646.28-12,957.18-4,266.88

Finding the Fourth Proportional to 8,646.28, 12,957.18 and 4,266.88

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Solution

The fourth proportional to 8,646.28, 12,957.18 and 4,266.88 is: 6,394.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,646.28 : 12,957.18 = 4,266.88 : x
  2. Step 2: Convert to fraction form
    8,646.28/12,957.18 = 4,266.88/x
  3. Step 3: Cross multiply
    8,646.28x = 12,957.18 × 4,266.88
  4. Step 4: Simplify right side
    8,646.28x = 55,286,732.20
  5. Step 5: Solve for x
    x = 55,286,732.20/8,646.28
  6. Step 6: Final answer
    x = 6,394.28

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1.5x scale

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.