Home / 4,247.32-6,366.12-1,781.68

Finding the Fourth Proportional to 4,247.32, 6,366.12 and 1,781.68

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Solution

The fourth proportional to 4,247.32, 6,366.12 and 1,781.68 is: 2,670.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.32 : 6,366.12 = 1,781.68 : x
  2. Step 2: Convert to fraction form
    4,247.32/6,366.12 = 1,781.68/x
  3. Step 3: Cross multiply
    4,247.32x = 6,366.12 × 1,781.68
  4. Step 4: Simplify right side
    4,247.32x = 11,342,388.68
  5. Step 5: Solve for x
    x = 11,342,388.68/4,247.32
  6. Step 6: Final answer
    x = 2,670.48

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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.