Home / 4,520.30-6,780.85-1,233.41

Finding the Fourth Proportional to 4,520.30, 6,780.85 and 1,233.41

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Solution

The fourth proportional to 4,520.30, 6,780.85 and 1,233.41 is: 1,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.30 : 6,780.85 = 1,233.41 : x
  2. Step 2: Convert to fraction form
    4,520.30/6,780.85 = 1,233.41/x
  3. Step 3: Cross multiply
    4,520.30x = 6,780.85 × 1,233.41
  4. Step 4: Simplify right side
    4,520.30x = 8,363,531.21
  5. Step 5: Solve for x
    x = 8,363,531.21/4,520.30
  6. Step 6: Final answer
    x = 1,850.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.