Home / 5,617.25-8,425.85-1,457.26

Finding the Fourth Proportional to 5,617.25, 8,425.85 and 1,457.26

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Solution

The fourth proportional to 5,617.25, 8,425.85 and 1,457.26 is: 2,185.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.25 : 8,425.85 = 1,457.26 : x
  2. Step 2: Convert to fraction form
    5,617.25/8,425.85 = 1,457.26/x
  3. Step 3: Cross multiply
    5,617.25x = 8,425.85 × 1,457.26
  4. Step 4: Simplify right side
    5,617.25x = 12,278,604.76
  5. Step 5: Solve for x
    x = 12,278,604.76/5,617.25
  6. Step 6: Final answer
    x = 2,185.87

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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.