Home / 5,242.32-7,234.52-2,884.61

Finding the Fourth Proportional to 5,242.32, 7,234.52 and 2,884.61

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Solution

The fourth proportional to 5,242.32, 7,234.52 and 2,884.61 is: 3,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.32 : 7,234.52 = 2,884.61 : x
  2. Step 2: Convert to fraction form
    5,242.32/7,234.52 = 2,884.61/x
  3. Step 3: Cross multiply
    5,242.32x = 7,234.52 × 2,884.61
  4. Step 4: Simplify right side
    5,242.32x = 20,868,772.40
  5. Step 5: Solve for x
    x = 20,868,772.40/5,242.32
  6. Step 6: Final answer
    x = 3,980.83

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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.