Home / 6,979.74-10,465.56-2,816.34

Finding the Fourth Proportional to 6,979.74, 10,465.56 and 2,816.34

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Solution

The fourth proportional to 6,979.74, 10,465.56 and 2,816.34 is: 4,222.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.74 : 10,465.56 = 2,816.34 : x
  2. Step 2: Convert to fraction form
    6,979.74/10,465.56 = 2,816.34/x
  3. Step 3: Cross multiply
    6,979.74x = 10,465.56 × 2,816.34
  4. Step 4: Simplify right side
    6,979.74x = 29,474,575.25
  5. Step 5: Solve for x
    x = 29,474,575.25/6,979.74
  6. Step 6: Final answer
    x = 4,222.88

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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.