Home / 4,380.55-6,539.61-4,226.76

Finding the Fourth Proportional to 4,380.55, 6,539.61 and 4,226.76

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Solution

The fourth proportional to 4,380.55, 6,539.61 and 4,226.76 is: 6,310.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.55 : 6,539.61 = 4,226.76 : x
  2. Step 2: Convert to fraction form
    4,380.55/6,539.61 = 4,226.76/x
  3. Step 3: Cross multiply
    4,380.55x = 6,539.61 × 4,226.76
  4. Step 4: Simplify right side
    4,380.55x = 27,641,377.81
  5. Step 5: Solve for x
    x = 27,641,377.81/4,380.55
  6. Step 6: Final answer
    x = 6,310.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.