Home / 5,038.42-7,549.94-2,115.14

Finding the Fourth Proportional to 5,038.42, 7,549.94 and 2,115.14

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Solution

The fourth proportional to 5,038.42, 7,549.94 and 2,115.14 is: 3,169.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.42 : 7,549.94 = 2,115.14 : x
  2. Step 2: Convert to fraction form
    5,038.42/7,549.94 = 2,115.14/x
  3. Step 3: Cross multiply
    5,038.42x = 7,549.94 × 2,115.14
  4. Step 4: Simplify right side
    5,038.42x = 15,969,180.09
  5. Step 5: Solve for x
    x = 15,969,180.09/5,038.42
  6. Step 6: Final answer
    x = 3,169.48

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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.