Home / 7,043.32-9,719.62-3,856.52

Finding the Fourth Proportional to 7,043.32, 9,719.62 and 3,856.52

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Solution

The fourth proportional to 7,043.32, 9,719.62 and 3,856.52 is: 5,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043.32 : 9,719.62 = 3,856.52 : x
  2. Step 2: Convert to fraction form
    7,043.32/9,719.62 = 3,856.52/x
  3. Step 3: Cross multiply
    7,043.32x = 9,719.62 × 3,856.52
  4. Step 4: Simplify right side
    7,043.32x = 37,483,908.92
  5. Step 5: Solve for x
    x = 37,483,908.92/7,043.32
  6. Step 6: Final answer
    x = 5,321.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.