Home / 7,319.43-10,976.85-2,387.95

Finding the Fourth Proportional to 7,319.43, 10,976.85 and 2,387.95

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Solution

The fourth proportional to 7,319.43, 10,976.85 and 2,387.95 is: 3,581.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.43 : 10,976.85 = 2,387.95 : x
  2. Step 2: Convert to fraction form
    7,319.43/10,976.85 = 2,387.95/x
  3. Step 3: Cross multiply
    7,319.43x = 10,976.85 × 2,387.95
  4. Step 4: Simplify right side
    7,319.43x = 26,212,141.52
  5. Step 5: Solve for x
    x = 26,212,141.52/7,319.43
  6. Step 6: Final answer
    x = 3,581.17

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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.