Home / 7,549.56-11,320.20-2,618.76

Finding the Fourth Proportional to 7,549.56, 11,320.20 and 2,618.76

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Solution

The fourth proportional to 7,549.56, 11,320.20 and 2,618.76 is: 3,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.56 : 11,320.20 = 2,618.76 : x
  2. Step 2: Convert to fraction form
    7,549.56/11,320.20 = 2,618.76/x
  3. Step 3: Cross multiply
    7,549.56x = 11,320.20 × 2,618.76
  4. Step 4: Simplify right side
    7,549.56x = 29,644,886.95
  5. Step 5: Solve for x
    x = 29,644,886.95/7,549.56
  6. Step 6: Final answer
    x = 3,926.70

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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.