Home / 5,617.68-8,426.52-2,154.12

Finding the Fourth Proportional to 5,617.68, 8,426.52 and 2,154.12

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Solution

The fourth proportional to 5,617.68, 8,426.52 and 2,154.12 is: 3,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.68 : 8,426.52 = 2,154.12 : x
  2. Step 2: Convert to fraction form
    5,617.68/8,426.52 = 2,154.12/x
  3. Step 3: Cross multiply
    5,617.68x = 8,426.52 × 2,154.12
  4. Step 4: Simplify right side
    5,617.68x = 18,151,735.26
  5. Step 5: Solve for x
    x = 18,151,735.26/5,617.68
  6. Step 6: Final answer
    x = 3,231.18

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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.