Home / 7,499.18-11,248.42-1,876.90

Finding the Fourth Proportional to 7,499.18, 11,248.42 and 1,876.90

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Solution

The fourth proportional to 7,499.18, 11,248.42 and 1,876.90 is: 2,815.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.18 : 11,248.42 = 1,876.90 : x
  2. Step 2: Convert to fraction form
    7,499.18/11,248.42 = 1,876.90/x
  3. Step 3: Cross multiply
    7,499.18x = 11,248.42 × 1,876.90
  4. Step 4: Simplify right side
    7,499.18x = 21,112,119.66
  5. Step 5: Solve for x
    x = 21,112,119.66/7,499.18
  6. Step 6: Final answer
    x = 2,815.26

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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.