Home / 5,016.42-6,921.09-2,920.14

Finding the Fourth Proportional to 5,016.42, 6,921.09 and 2,920.14

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Solution

The fourth proportional to 5,016.42, 6,921.09 and 2,920.14 is: 4,028.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.42 : 6,921.09 = 2,920.14 : x
  2. Step 2: Convert to fraction form
    5,016.42/6,921.09 = 2,920.14/x
  3. Step 3: Cross multiply
    5,016.42x = 6,921.09 × 2,920.14
  4. Step 4: Simplify right side
    5,016.42x = 20,210,551.75
  5. Step 5: Solve for x
    x = 20,210,551.75/5,016.42
  6. Step 6: Final answer
    x = 4,028.88

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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.