Home / 6,679.45-9,212.70-4,319.11

Finding the Fourth Proportional to 6,679.45, 9,212.70 and 4,319.11

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Solution

The fourth proportional to 6,679.45, 9,212.70 and 4,319.11 is: 5,957.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.45 : 9,212.70 = 4,319.11 : x
  2. Step 2: Convert to fraction form
    6,679.45/9,212.70 = 4,319.11/x
  3. Step 3: Cross multiply
    6,679.45x = 9,212.70 × 4,319.11
  4. Step 4: Simplify right side
    6,679.45x = 39,790,664.70
  5. Step 5: Solve for x
    x = 39,790,664.70/6,679.45
  6. Step 6: Final answer
    x = 5,957.18

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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.