Home / 7,177.12-10,750.56-5,440.48

Finding the Fourth Proportional to 7,177.12, 10,750.56 and 5,440.48

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Solution

The fourth proportional to 7,177.12, 10,750.56 and 5,440.48 is: 8,149.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.12 : 10,750.56 = 5,440.48 : x
  2. Step 2: Convert to fraction form
    7,177.12/10,750.56 = 5,440.48/x
  3. Step 3: Cross multiply
    7,177.12x = 10,750.56 × 5,440.48
  4. Step 4: Simplify right side
    7,177.12x = 58,488,206.67
  5. Step 5: Solve for x
    x = 58,488,206.67/7,177.12
  6. Step 6: Final answer
    x = 8,149.26

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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.