Home / 5,616.90-8,426.43-2,153.88

Finding the Fourth Proportional to 5,616.90, 8,426.43 and 2,153.88

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Solution

The fourth proportional to 5,616.90, 8,426.43 and 2,153.88 is: 3,231.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.90 : 8,426.43 = 2,153.88 : x
  2. Step 2: Convert to fraction form
    5,616.90/8,426.43 = 2,153.88/x
  3. Step 3: Cross multiply
    5,616.90x = 8,426.43 × 2,153.88
  4. Step 4: Simplify right side
    5,616.90x = 18,149,466.15
  5. Step 5: Solve for x
    x = 18,149,466.15/5,616.90
  6. Step 6: Final answer
    x = 3,231.23

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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.