Home / 5,979.49-8,976.17-3,211.59

Finding the Fourth Proportional to 5,979.49, 8,976.17 and 3,211.59

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Solution

The fourth proportional to 5,979.49, 8,976.17 and 3,211.59 is: 4,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.49 : 8,976.17 = 3,211.59 : x
  2. Step 2: Convert to fraction form
    5,979.49/8,976.17 = 3,211.59/x
  3. Step 3: Cross multiply
    5,979.49x = 8,976.17 × 3,211.59
  4. Step 4: Simplify right side
    5,979.49x = 28,827,777.81
  5. Step 5: Solve for x
    x = 28,827,777.81/5,979.49
  6. Step 6: Final answer
    x = 4,821.11

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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.