Home / 6,122.79-8,449.11-3,470.04

Finding the Fourth Proportional to 6,122.79, 8,449.11 and 3,470.04

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Solution

The fourth proportional to 6,122.79, 8,449.11 and 3,470.04 is: 4,788.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.79 : 8,449.11 = 3,470.04 : x
  2. Step 2: Convert to fraction form
    6,122.79/8,449.11 = 3,470.04/x
  3. Step 3: Cross multiply
    6,122.79x = 8,449.11 × 3,470.04
  4. Step 4: Simplify right side
    6,122.79x = 29,318,749.66
  5. Step 5: Solve for x
    x = 29,318,749.66/6,122.79
  6. Step 6: Final answer
    x = 4,788.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.