Home / 5,170.02-7,135.78-3,401.80

Finding the Fourth Proportional to 5,170.02, 7,135.78 and 3,401.80

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Solution

The fourth proportional to 5,170.02, 7,135.78 and 3,401.80 is: 4,695.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.02 : 7,135.78 = 3,401.80 : x
  2. Step 2: Convert to fraction form
    5,170.02/7,135.78 = 3,401.80/x
  3. Step 3: Cross multiply
    5,170.02x = 7,135.78 × 3,401.80
  4. Step 4: Simplify right side
    5,170.02x = 24,274,496.40
  5. Step 5: Solve for x
    x = 24,274,496.40/5,170.02
  6. Step 6: Final answer
    x = 4,695.24

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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.