Home / 6,202.17-9,307.85-3,431.21

Finding the Fourth Proportional to 6,202.17, 9,307.85 and 3,431.21

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Solution

The fourth proportional to 6,202.17, 9,307.85 and 3,431.21 is: 5,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,202.17 : 9,307.85 = 3,431.21 : x
  2. Step 2: Convert to fraction form
    6,202.17/9,307.85 = 3,431.21/x
  3. Step 3: Cross multiply
    6,202.17x = 9,307.85 × 3,431.21
  4. Step 4: Simplify right side
    6,202.17x = 31,937,124.30
  5. Step 5: Solve for x
    x = 31,937,124.30/6,202.17
  6. Step 6: Final answer
    x = 5,149.35

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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.