Home / 5,215.02-7,195.48-3,170.85

Finding the Fourth Proportional to 5,215.02, 7,195.48 and 3,170.85

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Solution

The fourth proportional to 5,215.02, 7,195.48 and 3,170.85 is: 4,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.02 : 7,195.48 = 3,170.85 : x
  2. Step 2: Convert to fraction form
    5,215.02/7,195.48 = 3,170.85/x
  3. Step 3: Cross multiply
    5,215.02x = 7,195.48 × 3,170.85
  4. Step 4: Simplify right side
    5,215.02x = 22,815,831.40
  5. Step 5: Solve for x
    x = 22,815,831.40/5,215.02
  6. Step 6: Final answer
    x = 4,375.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.