Home / 5,627.75-7,761.24-4,686.66

Finding the Fourth Proportional to 5,627.75, 7,761.24 and 4,686.66

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Solution

The fourth proportional to 5,627.75, 7,761.24 and 4,686.66 is: 6,463.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.75 : 7,761.24 = 4,686.66 : x
  2. Step 2: Convert to fraction form
    5,627.75/7,761.24 = 4,686.66/x
  3. Step 3: Cross multiply
    5,627.75x = 7,761.24 × 4,686.66
  4. Step 4: Simplify right side
    5,627.75x = 36,374,293.06
  5. Step 5: Solve for x
    x = 36,374,293.06/5,627.75
  6. Step 6: Final answer
    x = 6,463.39

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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.