Home / 5,229.42-7,216.63-2,871.58

Finding the Fourth Proportional to 5,229.42, 7,216.63 and 2,871.58

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Solution

The fourth proportional to 5,229.42, 7,216.63 and 2,871.58 is: 3,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.42 : 7,216.63 = 2,871.58 : x
  2. Step 2: Convert to fraction form
    5,229.42/7,216.63 = 2,871.58/x
  3. Step 3: Cross multiply
    5,229.42x = 7,216.63 × 2,871.58
  4. Step 4: Simplify right side
    5,229.42x = 20,723,130.38
  5. Step 5: Solve for x
    x = 20,723,130.38/5,229.42
  6. Step 6: Final answer
    x = 3,962.80

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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.