Home / 9,158.40-12,638.56-4,966.64

Finding the Fourth Proportional to 9,158.40, 12,638.56 and 4,966.64

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Solution

The fourth proportional to 9,158.40, 12,638.56 and 4,966.64 is: 6,853.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.40 : 12,638.56 = 4,966.64 : x
  2. Step 2: Convert to fraction form
    9,158.40/12,638.56 = 4,966.64/x
  3. Step 3: Cross multiply
    9,158.40x = 12,638.56 × 4,966.64
  4. Step 4: Simplify right side
    9,158.40x = 62,771,177.64
  5. Step 5: Solve for x
    x = 62,771,177.64/9,158.40
  6. Step 6: Final answer
    x = 6,853.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.