Home / 7,169.34-10,752.79-1,974

Finding the Fourth Proportional to 7,169.34, 10,752.79 and 1,974

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Solution

The fourth proportional to 7,169.34, 10,752.79 and 1,974 is: 2,960.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.34 : 10,752.79 = 1,974 : x
  2. Step 2: Convert to fraction form
    7,169.34/10,752.79 = 1,974/x
  3. Step 3: Cross multiply
    7,169.34x = 10,752.79 × 1,974
  4. Step 4: Simplify right side
    7,169.34x = 21,226,007.46
  5. Step 5: Solve for x
    x = 21,226,007.46/7,169.34
  6. Step 6: Final answer
    x = 2,960.66

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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.