Home / 5,379.24-7,422.52-3,020.92

Finding the Fourth Proportional to 5,379.24, 7,422.52 and 3,020.92

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Solution

The fourth proportional to 5,379.24, 7,422.52 and 3,020.92 is: 4,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.24 : 7,422.52 = 3,020.92 : x
  2. Step 2: Convert to fraction form
    5,379.24/7,422.52 = 3,020.92/x
  3. Step 3: Cross multiply
    5,379.24x = 7,422.52 × 3,020.92
  4. Step 4: Simplify right side
    5,379.24x = 22,422,839.12
  5. Step 5: Solve for x
    x = 22,422,839.12/5,379.24
  6. Step 6: Final answer
    x = 4,168.40

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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.