Home / 5,632.14-8,449.68-2,122.18

Finding the Fourth Proportional to 5,632.14, 8,449.68 and 2,122.18

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Solution

The fourth proportional to 5,632.14, 8,449.68 and 2,122.18 is: 3,183.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632.14 : 8,449.68 = 2,122.18 : x
  2. Step 2: Convert to fraction form
    5,632.14/8,449.68 = 2,122.18/x
  3. Step 3: Cross multiply
    5,632.14x = 8,449.68 × 2,122.18
  4. Step 4: Simplify right side
    5,632.14x = 17,931,728.74
  5. Step 5: Solve for x
    x = 17,931,728.74/5,632.14
  6. Step 6: Final answer
    x = 3,183.82

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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.