Home / 5,279.66-7,286.84-3,041.13

Finding the Fourth Proportional to 5,279.66, 7,286.84 and 3,041.13

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Solution

The fourth proportional to 5,279.66, 7,286.84 and 3,041.13 is: 4,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.66 : 7,286.84 = 3,041.13 : x
  2. Step 2: Convert to fraction form
    5,279.66/7,286.84 = 3,041.13/x
  3. Step 3: Cross multiply
    5,279.66x = 7,286.84 × 3,041.13
  4. Step 4: Simplify right side
    5,279.66x = 22,160,212.52
  5. Step 5: Solve for x
    x = 22,160,212.52/5,279.66
  6. Step 6: Final answer
    x = 4,197.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.