Home / 4,677.21-6,454.53-2,687.91

Finding the Fourth Proportional to 4,677.21, 6,454.53 and 2,687.91

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Solution

The fourth proportional to 4,677.21, 6,454.53 and 2,687.91 is: 3,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.21 : 6,454.53 = 2,687.91 : x
  2. Step 2: Convert to fraction form
    4,677.21/6,454.53 = 2,687.91/x
  3. Step 3: Cross multiply
    4,677.21x = 6,454.53 × 2,687.91
  4. Step 4: Simplify right side
    4,677.21x = 17,349,195.73
  5. Step 5: Solve for x
    x = 17,349,195.73/4,677.21
  6. Step 6: Final answer
    x = 3,709.30

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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.