Home / 7,429.16-11,144.48-2,750.42

Finding the Fourth Proportional to 7,429.16, 11,144.48 and 2,750.42

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Solution

The fourth proportional to 7,429.16, 11,144.48 and 2,750.42 is: 4,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.16 : 11,144.48 = 2,750.42 : x
  2. Step 2: Convert to fraction form
    7,429.16/11,144.48 = 2,750.42/x
  3. Step 3: Cross multiply
    7,429.16x = 11,144.48 × 2,750.42
  4. Step 4: Simplify right side
    7,429.16x = 30,652,000.68
  5. Step 5: Solve for x
    x = 30,652,000.68/7,429.16
  6. Step 6: Final answer
    x = 4,125.90

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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.