Home / 5,519.61-8,279.55-1,822.16

Finding the Fourth Proportional to 5,519.61, 8,279.55 and 1,822.16

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Solution

The fourth proportional to 5,519.61, 8,279.55 and 1,822.16 is: 2,733.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.61 : 8,279.55 = 1,822.16 : x
  2. Step 2: Convert to fraction form
    5,519.61/8,279.55 = 1,822.16/x
  3. Step 3: Cross multiply
    5,519.61x = 8,279.55 × 1,822.16
  4. Step 4: Simplify right side
    5,519.61x = 15,086,685.53
  5. Step 5: Solve for x
    x = 15,086,685.53/5,519.61
  6. Step 6: Final answer
    x = 2,733.29

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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.