Home / 4,770.78-7,156.17-2,176.62

Finding the Fourth Proportional to 4,770.78, 7,156.17 and 2,176.62

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Solution

The fourth proportional to 4,770.78, 7,156.17 and 2,176.62 is: 3,264.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.78 : 7,156.17 = 2,176.62 : x
  2. Step 2: Convert to fraction form
    4,770.78/7,156.17 = 2,176.62/x
  3. Step 3: Cross multiply
    4,770.78x = 7,156.17 × 2,176.62
  4. Step 4: Simplify right side
    4,770.78x = 15,576,262.75
  5. Step 5: Solve for x
    x = 15,576,262.75/4,770.78
  6. Step 6: Final answer
    x = 3,264.93

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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.