Home / 6,979.07-10,470.32-3,470.74

Finding the Fourth Proportional to 6,979.07, 10,470.32 and 3,470.74

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Solution

The fourth proportional to 6,979.07, 10,470.32 and 3,470.74 is: 5,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.07 : 10,470.32 = 3,470.74 : x
  2. Step 2: Convert to fraction form
    6,979.07/10,470.32 = 3,470.74/x
  3. Step 3: Cross multiply
    6,979.07x = 10,470.32 × 3,470.74
  4. Step 4: Simplify right side
    6,979.07x = 36,339,727.92
  5. Step 5: Solve for x
    x = 36,339,727.92/6,979.07
  6. Step 6: Final answer
    x = 5,206.96

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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.