Home / 8,045.38-11,102.70-4,508.79

Finding the Fourth Proportional to 8,045.38, 11,102.70 and 4,508.79

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Solution

The fourth proportional to 8,045.38, 11,102.70 and 4,508.79 is: 6,222.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.38 : 11,102.70 = 4,508.79 : x
  2. Step 2: Convert to fraction form
    8,045.38/11,102.70 = 4,508.79/x
  3. Step 3: Cross multiply
    8,045.38x = 11,102.70 × 4,508.79
  4. Step 4: Simplify right side
    8,045.38x = 50,059,742.73
  5. Step 5: Solve for x
    x = 50,059,742.73/8,045.38
  6. Step 6: Final answer
    x = 6,222.17

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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.