Home / 5,620.95-7,755.62-3,261.69

Finding the Fourth Proportional to 5,620.95, 7,755.62 and 3,261.69

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Solution

The fourth proportional to 5,620.95, 7,755.62 and 3,261.69 is: 4,500.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.95 : 7,755.62 = 3,261.69 : x
  2. Step 2: Convert to fraction form
    5,620.95/7,755.62 = 3,261.69/x
  3. Step 3: Cross multiply
    5,620.95x = 7,755.62 × 3,261.69
  4. Step 4: Simplify right side
    5,620.95x = 25,296,411.89
  5. Step 5: Solve for x
    x = 25,296,411.89/5,620.95
  6. Step 6: Final answer
    x = 4,500.38

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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.