Home / 4,750.80-7,117.38-3,186.20

Finding the Fourth Proportional to 4,750.80, 7,117.38 and 3,186.20

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Solution

The fourth proportional to 4,750.80, 7,117.38 and 3,186.20 is: 4,773.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.80 : 7,117.38 = 3,186.20 : x
  2. Step 2: Convert to fraction form
    4,750.80/7,117.38 = 3,186.20/x
  3. Step 3: Cross multiply
    4,750.80x = 7,117.38 × 3,186.20
  4. Step 4: Simplify right side
    4,750.80x = 22,677,360.57
  5. Step 5: Solve for x
    x = 22,677,360.57/4,750.80
  6. Step 6: Final answer
    x = 4,773.38

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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.