Home / 7,134.32-10,702.68-2,976.56

Finding the Fourth Proportional to 7,134.32, 10,702.68 and 2,976.56

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Solution

The fourth proportional to 7,134.32, 10,702.68 and 2,976.56 is: 4,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.32 : 10,702.68 = 2,976.56 : x
  2. Step 2: Convert to fraction form
    7,134.32/10,702.68 = 2,976.56/x
  3. Step 3: Cross multiply
    7,134.32x = 10,702.68 × 2,976.56
  4. Step 4: Simplify right side
    7,134.32x = 31,857,169.18
  5. Step 5: Solve for x
    x = 31,857,169.18/7,134.32
  6. Step 6: Final answer
    x = 4,465.34

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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.