Home / 4,454.85-6,144.60-2,685

Finding the Fourth Proportional to 4,454.85, 6,144.60 and 2,685

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Solution

The fourth proportional to 4,454.85, 6,144.60 and 2,685 is: 3,703.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,454.85 : 6,144.60 = 2,685 : x
  2. Step 2: Convert to fraction form
    4,454.85/6,144.60 = 2,685/x
  3. Step 3: Cross multiply
    4,454.85x = 6,144.60 × 2,685
  4. Step 4: Simplify right side
    4,454.85x = 16,498,251.00
  5. Step 5: Solve for x
    x = 16,498,251.00/4,454.85
  6. Step 6: Final answer
    x = 3,703.44

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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.