Home / 7,089.75-10,627.58-3,387.66

Finding the Fourth Proportional to 7,089.75, 10,627.58 and 3,387.66

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Solution

The fourth proportional to 7,089.75, 10,627.58 and 3,387.66 is: 5,078.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.75 : 10,627.58 = 3,387.66 : x
  2. Step 2: Convert to fraction form
    7,089.75/10,627.58 = 3,387.66/x
  3. Step 3: Cross multiply
    7,089.75x = 10,627.58 × 3,387.66
  4. Step 4: Simplify right side
    7,089.75x = 36,002,586.75
  5. Step 5: Solve for x
    x = 36,002,586.75/7,089.75
  6. Step 6: Final answer
    x = 5,078.12

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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.