Home / 7,518.25-11,279.54-2,253.66

Finding the Fourth Proportional to 7,518.25, 11,279.54 and 2,253.66

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Solution

The fourth proportional to 7,518.25, 11,279.54 and 2,253.66 is: 3,381.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.25 : 11,279.54 = 2,253.66 : x
  2. Step 2: Convert to fraction form
    7,518.25/11,279.54 = 2,253.66/x
  3. Step 3: Cross multiply
    7,518.25x = 11,279.54 × 2,253.66
  4. Step 4: Simplify right side
    7,518.25x = 25,420,248.12
  5. Step 5: Solve for x
    x = 25,420,248.12/7,518.25
  6. Step 6: Final answer
    x = 3,381.14

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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.