Home / 5,747.42-7,931.90-3,229.65

Finding the Fourth Proportional to 5,747.42, 7,931.90 and 3,229.65

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Solution

The fourth proportional to 5,747.42, 7,931.90 and 3,229.65 is: 4,457.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.42 : 7,931.90 = 3,229.65 : x
  2. Step 2: Convert to fraction form
    5,747.42/7,931.90 = 3,229.65/x
  3. Step 3: Cross multiply
    5,747.42x = 7,931.90 × 3,229.65
  4. Step 4: Simplify right side
    5,747.42x = 25,617,268.91
  5. Step 5: Solve for x
    x = 25,617,268.91/5,747.42
  6. Step 6: Final answer
    x = 4,457.18

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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.