Home / 5,279.32-7,283.23-3,040.66

Finding the Fourth Proportional to 5,279.32, 7,283.23 and 3,040.66

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Solution

The fourth proportional to 5,279.32, 7,283.23 and 3,040.66 is: 4,194.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.32 : 7,283.23 = 3,040.66 : x
  2. Step 2: Convert to fraction form
    5,279.32/7,283.23 = 3,040.66/x
  3. Step 3: Cross multiply
    5,279.32x = 7,283.23 × 3,040.66
  4. Step 4: Simplify right side
    5,279.32x = 22,145,826.13
  5. Step 5: Solve for x
    x = 22,145,826.13/5,279.32
  6. Step 6: Final answer
    x = 4,194.83

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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.