Home / 4,677.58-6,454.70-2,687.76

Finding the Fourth Proportional to 4,677.58, 6,454.70 and 2,687.76

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Solution

The fourth proportional to 4,677.58, 6,454.70 and 2,687.76 is: 3,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.58 : 6,454.70 = 2,687.76 : x
  2. Step 2: Convert to fraction form
    4,677.58/6,454.70 = 2,687.76/x
  3. Step 3: Cross multiply
    4,677.58x = 6,454.70 × 2,687.76
  4. Step 4: Simplify right side
    4,677.58x = 17,348,684.47
  5. Step 5: Solve for x
    x = 17,348,684.47/4,677.58
  6. Step 6: Final answer
    x = 3,708.90

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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.