Home / 4,677.62-6,454.53-2,687.90

Finding the Fourth Proportional to 4,677.62, 6,454.53 and 2,687.90

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Solution

The fourth proportional to 4,677.62, 6,454.53 and 2,687.90 is: 3,708.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.62 : 6,454.53 = 2,687.90 : x
  2. Step 2: Convert to fraction form
    4,677.62/6,454.53 = 2,687.90/x
  3. Step 3: Cross multiply
    4,677.62x = 6,454.53 × 2,687.90
  4. Step 4: Simplify right side
    4,677.62x = 17,349,131.19
  5. Step 5: Solve for x
    x = 17,349,131.19/4,677.62
  6. Step 6: Final answer
    x = 3,708.97

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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.