Home / 5,351.28-8,016.12-4,709.76

Finding the Fourth Proportional to 5,351.28, 8,016.12 and 4,709.76

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Solution

The fourth proportional to 5,351.28, 8,016.12 and 4,709.76 is: 7,055.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.28 : 8,016.12 = 4,709.76 : x
  2. Step 2: Convert to fraction form
    5,351.28/8,016.12 = 4,709.76/x
  3. Step 3: Cross multiply
    5,351.28x = 8,016.12 × 4,709.76
  4. Step 4: Simplify right side
    5,351.28x = 37,754,001.33
  5. Step 5: Solve for x
    x = 37,754,001.33/5,351.28
  6. Step 6: Final answer
    x = 7,055.13

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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.