Home / 4,380.23-6,561.21-2,182.28

Finding the Fourth Proportional to 4,380.23, 6,561.21 and 2,182.28

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Solution

The fourth proportional to 4,380.23, 6,561.21 and 2,182.28 is: 3,268.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.23 : 6,561.21 = 2,182.28 : x
  2. Step 2: Convert to fraction form
    4,380.23/6,561.21 = 2,182.28/x
  3. Step 3: Cross multiply
    4,380.23x = 6,561.21 × 2,182.28
  4. Step 4: Simplify right side
    4,380.23x = 14,318,397.36
  5. Step 5: Solve for x
    x = 14,318,397.36/4,380.23
  6. Step 6: Final answer
    x = 3,268.87

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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.