Home / 6,883.12-10,316.56-2,979.28

Finding the Fourth Proportional to 6,883.12, 10,316.56 and 2,979.28

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Solution

The fourth proportional to 6,883.12, 10,316.56 and 2,979.28 is: 4,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,883.12 : 10,316.56 = 2,979.28 : x
  2. Step 2: Convert to fraction form
    6,883.12/10,316.56 = 2,979.28/x
  3. Step 3: Cross multiply
    6,883.12x = 10,316.56 × 2,979.28
  4. Step 4: Simplify right side
    6,883.12x = 30,735,920.88
  5. Step 5: Solve for x
    x = 30,735,920.88/6,883.12
  6. Step 6: Final answer
    x = 4,465.41

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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.