Home / 4,380.32-6,580.20-4,242.08

Finding the Fourth Proportional to 4,380.32, 6,580.20 and 4,242.08

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Solution

The fourth proportional to 4,380.32, 6,580.20 and 4,242.08 is: 6,372.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.32 : 6,580.20 = 4,242.08 : x
  2. Step 2: Convert to fraction form
    4,380.32/6,580.20 = 4,242.08/x
  3. Step 3: Cross multiply
    4,380.32x = 6,580.20 × 4,242.08
  4. Step 4: Simplify right side
    4,380.32x = 27,913,734.82
  5. Step 5: Solve for x
    x = 27,913,734.82/4,380.32
  6. Step 6: Final answer
    x = 6,372.53

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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.