Home / 7,412.38-11,118.51-3,026.76

Finding the Fourth Proportional to 7,412.38, 11,118.51 and 3,026.76

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Solution

The fourth proportional to 7,412.38, 11,118.51 and 3,026.76 is: 4,540.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.38 : 11,118.51 = 3,026.76 : x
  2. Step 2: Convert to fraction form
    7,412.38/11,118.51 = 3,026.76/x
  3. Step 3: Cross multiply
    7,412.38x = 11,118.51 × 3,026.76
  4. Step 4: Simplify right side
    7,412.38x = 33,653,082.17
  5. Step 5: Solve for x
    x = 33,653,082.17/7,412.38
  6. Step 6: Final answer
    x = 4,540.12

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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.