Home / 5,229.59-7,216.88-2,871.74

Finding the Fourth Proportional to 5,229.59, 7,216.88 and 2,871.74

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Solution

The fourth proportional to 5,229.59, 7,216.88 and 2,871.74 is: 3,963.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.59 : 7,216.88 = 2,871.74 : x
  2. Step 2: Convert to fraction form
    5,229.59/7,216.88 = 2,871.74/x
  3. Step 3: Cross multiply
    5,229.59x = 7,216.88 × 2,871.74
  4. Step 4: Simplify right side
    5,229.59x = 20,724,952.53
  5. Step 5: Solve for x
    x = 20,724,952.53/5,229.59
  6. Step 6: Final answer
    x = 3,963.02

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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.