Home / 9,286.79-12,808.60-6,454.10

Finding the Fourth Proportional to 9,286.79, 12,808.60 and 6,454.10

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Solution

The fourth proportional to 9,286.79, 12,808.60 and 6,454.10 is: 8,901.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.79 : 12,808.60 = 6,454.10 : x
  2. Step 2: Convert to fraction form
    9,286.79/12,808.60 = 6,454.10/x
  3. Step 3: Cross multiply
    9,286.79x = 12,808.60 × 6,454.10
  4. Step 4: Simplify right side
    9,286.79x = 82,668,001.15
  5. Step 5: Solve for x
    x = 82,668,001.15/9,286.79
  6. Step 6: Final answer
    x = 8,901.68

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1.5x scale

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.