Home / 6,976.74-10,465.71-1,979.13

Finding the Fourth Proportional to 6,976.74, 10,465.71 and 1,979.13

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Solution

The fourth proportional to 6,976.74, 10,465.71 and 1,979.13 is: 2,968.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.74 : 10,465.71 = 1,979.13 : x
  2. Step 2: Convert to fraction form
    6,976.74/10,465.71 = 1,979.13/x
  3. Step 3: Cross multiply
    6,976.74x = 10,465.71 × 1,979.13
  4. Step 4: Simplify right side
    6,976.74x = 20,713,000.63
  5. Step 5: Solve for x
    x = 20,713,000.63/6,976.74
  6. Step 6: Final answer
    x = 2,968.87

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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.