Home / 8,319.44-12,487.62-4,162.46

Finding the Fourth Proportional to 8,319.44, 12,487.62 and 4,162.46

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Solution

The fourth proportional to 8,319.44, 12,487.62 and 4,162.46 is: 6,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.44 : 12,487.62 = 4,162.46 : x
  2. Step 2: Convert to fraction form
    8,319.44/12,487.62 = 4,162.46/x
  3. Step 3: Cross multiply
    8,319.44x = 12,487.62 × 4,162.46
  4. Step 4: Simplify right side
    8,319.44x = 51,979,218.75
  5. Step 5: Solve for x
    x = 51,979,218.75/8,319.44
  6. Step 6: Final answer
    x = 6,247.92

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1.5x scale

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.