Home / 7,514.19-11,258.88-2,581.11

Finding the Fourth Proportional to 7,514.19, 11,258.88 and 2,581.11

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Solution

The fourth proportional to 7,514.19, 11,258.88 and 2,581.11 is: 3,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.19 : 11,258.88 = 2,581.11 : x
  2. Step 2: Convert to fraction form
    7,514.19/11,258.88 = 2,581.11/x
  3. Step 3: Cross multiply
    7,514.19x = 11,258.88 × 2,581.11
  4. Step 4: Simplify right side
    7,514.19x = 29,060,407.76
  5. Step 5: Solve for x
    x = 29,060,407.76/7,514.19
  6. Step 6: Final answer
    x = 3,867.40

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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.