Home / 4,380.56-6,569.26-2,187.79

Finding the Fourth Proportional to 4,380.56, 6,569.26 and 2,187.79

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Solution

The fourth proportional to 4,380.56, 6,569.26 and 2,187.79 is: 3,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.56 : 6,569.26 = 2,187.79 : x
  2. Step 2: Convert to fraction form
    4,380.56/6,569.26 = 2,187.79/x
  3. Step 3: Cross multiply
    4,380.56x = 6,569.26 × 2,187.79
  4. Step 4: Simplify right side
    4,380.56x = 14,372,161.34
  5. Step 5: Solve for x
    x = 14,372,161.34/4,380.56
  6. Step 6: Final answer
    x = 3,280.90

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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.