Home / 5,257.95-7,876.35-2,617.49

Finding the Fourth Proportional to 5,257.95, 7,876.35 and 2,617.49

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Solution

The fourth proportional to 5,257.95, 7,876.35 and 2,617.49 is: 3,920.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.95 : 7,876.35 = 2,617.49 : x
  2. Step 2: Convert to fraction form
    5,257.95/7,876.35 = 2,617.49/x
  3. Step 3: Cross multiply
    5,257.95x = 7,876.35 × 2,617.49
  4. Step 4: Simplify right side
    5,257.95x = 20,616,227.98
  5. Step 5: Solve for x
    x = 20,616,227.98/5,257.95
  6. Step 6: Final answer
    x = 3,920.96

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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.