Home / 4,216.60-6,324.90-3,123.10

Finding the Fourth Proportional to 4,216.60, 6,324.90 and 3,123.10

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Solution

The fourth proportional to 4,216.60, 6,324.90 and 3,123.10 is: 4,684.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.60 : 6,324.90 = 3,123.10 : x
  2. Step 2: Convert to fraction form
    4,216.60/6,324.90 = 3,123.10/x
  3. Step 3: Cross multiply
    4,216.60x = 6,324.90 × 3,123.10
  4. Step 4: Simplify right side
    4,216.60x = 19,753,295.19
  5. Step 5: Solve for x
    x = 19,753,295.19/4,216.60
  6. Step 6: Final answer
    x = 4,684.65

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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.