Home / 5,621.05-8,419.04-3,972.59

Finding the Fourth Proportional to 5,621.05, 8,419.04 and 3,972.59

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Solution

The fourth proportional to 5,621.05, 8,419.04 and 3,972.59 is: 5,950.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.05 : 8,419.04 = 3,972.59 : x
  2. Step 2: Convert to fraction form
    5,621.05/8,419.04 = 3,972.59/x
  3. Step 3: Cross multiply
    5,621.05x = 8,419.04 × 3,972.59
  4. Step 4: Simplify right side
    5,621.05x = 33,445,425.98
  5. Step 5: Solve for x
    x = 33,445,425.98/5,621.05
  6. Step 6: Final answer
    x = 5,950.04

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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.