Home / 6,342.30-8,752.46-3,509.73

Finding the Fourth Proportional to 6,342.30, 8,752.46 and 3,509.73

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Solution

The fourth proportional to 6,342.30, 8,752.46 and 3,509.73 is: 4,843.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.30 : 8,752.46 = 3,509.73 : x
  2. Step 2: Convert to fraction form
    6,342.30/8,752.46 = 3,509.73/x
  3. Step 3: Cross multiply
    6,342.30x = 8,752.46 × 3,509.73
  4. Step 4: Simplify right side
    6,342.30x = 30,718,753.89
  5. Step 5: Solve for x
    x = 30,718,753.89/6,342.30
  6. Step 6: Final answer
    x = 4,843.47

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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.