Home / 8,176.72-12,265.08-4,890.76

Finding the Fourth Proportional to 8,176.72, 12,265.08 and 4,890.76

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Solution

The fourth proportional to 8,176.72, 12,265.08 and 4,890.76 is: 7,336.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.72 : 12,265.08 = 4,890.76 : x
  2. Step 2: Convert to fraction form
    8,176.72/12,265.08 = 4,890.76/x
  3. Step 3: Cross multiply
    8,176.72x = 12,265.08 × 4,890.76
  4. Step 4: Simplify right side
    8,176.72x = 59,985,562.66
  5. Step 5: Solve for x
    x = 59,985,562.66/8,176.72
  6. Step 6: Final answer
    x = 7,336.14

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Similar ratio
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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.