Home / 5,119.30-7,064.14-2,881.14

Finding the Fourth Proportional to 5,119.30, 7,064.14 and 2,881.14

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Solution

The fourth proportional to 5,119.30, 7,064.14 and 2,881.14 is: 3,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.30 : 7,064.14 = 2,881.14 : x
  2. Step 2: Convert to fraction form
    5,119.30/7,064.14 = 2,881.14/x
  3. Step 3: Cross multiply
    5,119.30x = 7,064.14 × 2,881.14
  4. Step 4: Simplify right side
    5,119.30x = 20,352,776.32
  5. Step 5: Solve for x
    x = 20,352,776.32/5,119.30
  6. Step 6: Final answer
    x = 3,975.70

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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.