Home / 5,117.92-7,676.56-2,518.56

Finding the Fourth Proportional to 5,117.92, 7,676.56 and 2,518.56

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Solution

The fourth proportional to 5,117.92, 7,676.56 and 2,518.56 is: 3,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.92 : 7,676.56 = 2,518.56 : x
  2. Step 2: Convert to fraction form
    5,117.92/7,676.56 = 2,518.56/x
  3. Step 3: Cross multiply
    5,117.92x = 7,676.56 × 2,518.56
  4. Step 4: Simplify right side
    5,117.92x = 19,333,876.95
  5. Step 5: Solve for x
    x = 19,333,876.95/5,117.92
  6. Step 6: Final answer
    x = 3,777.68

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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.