Home / 4,321.92-6,484-1,244.16

Finding the Fourth Proportional to 4,321.92, 6,484 and 1,244.16

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Solution

The fourth proportional to 4,321.92, 6,484 and 1,244.16 is: 1,866.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.92 : 6,484 = 1,244.16 : x
  2. Step 2: Convert to fraction form
    4,321.92/6,484 = 1,244.16/x
  3. Step 3: Cross multiply
    4,321.92x = 6,484 × 1,244.16
  4. Step 4: Simplify right side
    4,321.92x = 8,067,133.44
  5. Step 5: Solve for x
    x = 8,067,133.44/4,321.92
  6. Step 6: Final answer
    x = 1,866.56

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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.