Home / 6,225.38-8,591.56-3,431.42

Finding the Fourth Proportional to 6,225.38, 8,591.56 and 3,431.42

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Solution

The fourth proportional to 6,225.38, 8,591.56 and 3,431.42 is: 4,735.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,225.38 : 8,591.56 = 3,431.42 : x
  2. Step 2: Convert to fraction form
    6,225.38/8,591.56 = 3,431.42/x
  3. Step 3: Cross multiply
    6,225.38x = 8,591.56 × 3,431.42
  4. Step 4: Simplify right side
    6,225.38x = 29,481,199.28
  5. Step 5: Solve for x
    x = 29,481,199.28/6,225.38
  6. Step 6: Final answer
    x = 4,735.65

Related Problems

Find fourth proportional to 3,112.69, 4,295.78 and 1,715.71
Half scale
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Double scale
Find fourth proportional to 6,226.38, 8,592.94 and 3,432.42
Similar ratio
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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.