Home / 5,170.79-7,137.29-2,934.14

Finding the Fourth Proportional to 5,170.79, 7,137.29 and 2,934.14

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Solution

The fourth proportional to 5,170.79, 7,137.29 and 2,934.14 is: 4,050.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.79 : 7,137.29 = 2,934.14 : x
  2. Step 2: Convert to fraction form
    5,170.79/7,137.29 = 2,934.14/x
  3. Step 3: Cross multiply
    5,170.79x = 7,137.29 × 2,934.14
  4. Step 4: Simplify right side
    5,170.79x = 20,941,808.08
  5. Step 5: Solve for x
    x = 20,941,808.08/5,170.79
  6. Step 6: Final answer
    x = 4,050.02

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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.