Home / 5,625.35-7,761.93-3,610.47

Finding the Fourth Proportional to 5,625.35, 7,761.93 and 3,610.47

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Solution

The fourth proportional to 5,625.35, 7,761.93 and 3,610.47 is: 4,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.35 : 7,761.93 = 3,610.47 : x
  2. Step 2: Convert to fraction form
    5,625.35/7,761.93 = 3,610.47/x
  3. Step 3: Cross multiply
    5,625.35x = 7,761.93 × 3,610.47
  4. Step 4: Simplify right side
    5,625.35x = 28,024,230.98
  5. Step 5: Solve for x
    x = 28,024,230.98/5,625.35
  6. Step 6: Final answer
    x = 4,981.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.