Home / 5,157.41-7,119.14-3,170.66

Finding the Fourth Proportional to 5,157.41, 7,119.14 and 3,170.66

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Solution

The fourth proportional to 5,157.41, 7,119.14 and 3,170.66 is: 4,376.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.41 : 7,119.14 = 3,170.66 : x
  2. Step 2: Convert to fraction form
    5,157.41/7,119.14 = 3,170.66/x
  3. Step 3: Cross multiply
    5,157.41x = 7,119.14 × 3,170.66
  4. Step 4: Simplify right side
    5,157.41x = 22,572,320.98
  5. Step 5: Solve for x
    x = 22,572,320.98/5,157.41
  6. Step 6: Final answer
    x = 4,376.68

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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.