Home / 4,187.50-5,778.92-2,508.57

Finding the Fourth Proportional to 4,187.50, 5,778.92 and 2,508.57

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Solution

The fourth proportional to 4,187.50, 5,778.92 and 2,508.57 is: 3,461.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.50 : 5,778.92 = 2,508.57 : x
  2. Step 2: Convert to fraction form
    4,187.50/5,778.92 = 2,508.57/x
  3. Step 3: Cross multiply
    4,187.50x = 5,778.92 × 2,508.57
  4. Step 4: Simplify right side
    4,187.50x = 14,496,812.80
  5. Step 5: Solve for x
    x = 14,496,812.80/4,187.50
  6. Step 6: Final answer
    x = 3,461.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.