Home / 7,488.66-11,236.26-2,874.90

Finding the Fourth Proportional to 7,488.66, 11,236.26 and 2,874.90

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Solution

The fourth proportional to 7,488.66, 11,236.26 and 2,874.90 is: 4,313.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.66 : 11,236.26 = 2,874.90 : x
  2. Step 2: Convert to fraction form
    7,488.66/11,236.26 = 2,874.90/x
  3. Step 3: Cross multiply
    7,488.66x = 11,236.26 × 2,874.90
  4. Step 4: Simplify right side
    7,488.66x = 32,303,123.87
  5. Step 5: Solve for x
    x = 32,303,123.87/7,488.66
  6. Step 6: Final answer
    x = 4,313.61

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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.