Home / 4,681.28-7,016.16-2,081.28

Finding the Fourth Proportional to 4,681.28, 7,016.16 and 2,081.28

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Solution

The fourth proportional to 4,681.28, 7,016.16 and 2,081.28 is: 3,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.28 : 7,016.16 = 2,081.28 : x
  2. Step 2: Convert to fraction form
    4,681.28/7,016.16 = 2,081.28/x
  3. Step 3: Cross multiply
    4,681.28x = 7,016.16 × 2,081.28
  4. Step 4: Simplify right side
    4,681.28x = 14,602,593.48
  5. Step 5: Solve for x
    x = 14,602,593.48/4,681.28
  6. Step 6: Final answer
    x = 3,119.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.