Home / 5,617.20-8,409.16-4,162.88

Finding the Fourth Proportional to 5,617.20, 8,409.16 and 4,162.88

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Solution

The fourth proportional to 5,617.20, 8,409.16 and 4,162.88 is: 6,231.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.20 : 8,409.16 = 4,162.88 : x
  2. Step 2: Convert to fraction form
    5,617.20/8,409.16 = 4,162.88/x
  3. Step 3: Cross multiply
    5,617.20x = 8,409.16 × 4,162.88
  4. Step 4: Simplify right side
    5,617.20x = 35,006,323.98
  5. Step 5: Solve for x
    x = 35,006,323.98/5,617.20
  6. Step 6: Final answer
    x = 6,231.99

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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.