Home / 5,016.40-6,921.36-2,920.08

Finding the Fourth Proportional to 5,016.40, 6,921.36 and 2,920.08

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Solution

The fourth proportional to 5,016.40, 6,921.36 and 2,920.08 is: 4,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.40 : 6,921.36 = 2,920.08 : x
  2. Step 2: Convert to fraction form
    5,016.40/6,921.36 = 2,920.08/x
  3. Step 3: Cross multiply
    5,016.40x = 6,921.36 × 2,920.08
  4. Step 4: Simplify right side
    5,016.40x = 20,210,924.91
  5. Step 5: Solve for x
    x = 20,210,924.91/5,016.40
  6. Step 6: Final answer
    x = 4,028.97

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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.