Home / 6,639.92-9,956.52-3,717.44

Finding the Fourth Proportional to 6,639.92, 9,956.52 and 3,717.44

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Solution

The fourth proportional to 6,639.92, 9,956.52 and 3,717.44 is: 5,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.92 : 9,956.52 = 3,717.44 : x
  2. Step 2: Convert to fraction form
    6,639.92/9,956.52 = 3,717.44/x
  3. Step 3: Cross multiply
    6,639.92x = 9,956.52 × 3,717.44
  4. Step 4: Simplify right side
    6,639.92x = 37,012,765.71
  5. Step 5: Solve for x
    x = 37,012,765.71/6,639.92
  6. Step 6: Final answer
    x = 5,574.28

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1.5x scale

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.