Home / 5,113.75-7,665.76-3,259.66

Finding the Fourth Proportional to 5,113.75, 7,665.76 and 3,259.66

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Solution

The fourth proportional to 5,113.75, 7,665.76 and 3,259.66 is: 4,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.75 : 7,665.76 = 3,259.66 : x
  2. Step 2: Convert to fraction form
    5,113.75/7,665.76 = 3,259.66/x
  3. Step 3: Cross multiply
    5,113.75x = 7,665.76 × 3,259.66
  4. Step 4: Simplify right side
    5,113.75x = 24,987,716.61
  5. Step 5: Solve for x
    x = 24,987,716.61/5,113.75
  6. Step 6: Final answer
    x = 4,886.38

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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.