Home / 5,116.50-7,676.55-2,521.26

Finding the Fourth Proportional to 5,116.50, 7,676.55 and 2,521.26

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Solution

The fourth proportional to 5,116.50, 7,676.55 and 2,521.26 is: 3,782.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.50 : 7,676.55 = 2,521.26 : x
  2. Step 2: Convert to fraction form
    5,116.50/7,676.55 = 2,521.26/x
  3. Step 3: Cross multiply
    5,116.50x = 7,676.55 × 2,521.26
  4. Step 4: Simplify right side
    5,116.50x = 19,354,578.45
  5. Step 5: Solve for x
    x = 19,354,578.45/5,116.50
  6. Step 6: Final answer
    x = 3,782.78

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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.