Home / 5,149.40-7,717.26-2,810.48

Finding the Fourth Proportional to 5,149.40, 7,717.26 and 2,810.48

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Solution

The fourth proportional to 5,149.40, 7,717.26 and 2,810.48 is: 4,211.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.40 : 7,717.26 = 2,810.48 : x
  2. Step 2: Convert to fraction form
    5,149.40/7,717.26 = 2,810.48/x
  3. Step 3: Cross multiply
    5,149.40x = 7,717.26 × 2,810.48
  4. Step 4: Simplify right side
    5,149.40x = 21,689,204.88
  5. Step 5: Solve for x
    x = 21,689,204.88/5,149.40
  6. Step 6: Final answer
    x = 4,211.99

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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.