Home / 4,687.15-6,468.07-2,697.78

Finding the Fourth Proportional to 4,687.15, 6,468.07 and 2,697.78

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Solution

The fourth proportional to 4,687.15, 6,468.07 and 2,697.78 is: 3,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.15 : 6,468.07 = 2,697.78 : x
  2. Step 2: Convert to fraction form
    4,687.15/6,468.07 = 2,697.78/x
  3. Step 3: Cross multiply
    4,687.15x = 6,468.07 × 2,697.78
  4. Step 4: Simplify right side
    4,687.15x = 17,449,397.54
  5. Step 5: Solve for x
    x = 17,449,397.54/4,687.15
  6. Step 6: Final answer
    x = 3,722.82

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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.