Home / 7,288.43-10,929.89-2,356.74

Finding the Fourth Proportional to 7,288.43, 10,929.89 and 2,356.74

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Solution

The fourth proportional to 7,288.43, 10,929.89 and 2,356.74 is: 3,534.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.43 : 10,929.89 = 2,356.74 : x
  2. Step 2: Convert to fraction form
    7,288.43/10,929.89 = 2,356.74/x
  3. Step 3: Cross multiply
    7,288.43x = 10,929.89 × 2,356.74
  4. Step 4: Simplify right side
    7,288.43x = 25,758,914.85
  5. Step 5: Solve for x
    x = 25,758,914.85/7,288.43
  6. Step 6: Final answer
    x = 3,534.22

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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.