Home / 4,625.20-6,380.28-2,761.84

Finding the Fourth Proportional to 4,625.20, 6,380.28 and 2,761.84

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Solution

The fourth proportional to 4,625.20, 6,380.28 and 2,761.84 is: 3,809.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,625.20 : 6,380.28 = 2,761.84 : x
  2. Step 2: Convert to fraction form
    4,625.20/6,380.28 = 2,761.84/x
  3. Step 3: Cross multiply
    4,625.20x = 6,380.28 × 2,761.84
  4. Step 4: Simplify right side
    4,625.20x = 17,621,312.52
  5. Step 5: Solve for x
    x = 17,621,312.52/4,625.20
  6. Step 6: Final answer
    x = 3,809.85

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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.