Home / 7,185.66-10,758.42-3,886.92

Finding the Fourth Proportional to 7,185.66, 10,758.42 and 3,886.92

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Solution

The fourth proportional to 7,185.66, 10,758.42 and 3,886.92 is: 5,819.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185.66 : 10,758.42 = 3,886.92 : x
  2. Step 2: Convert to fraction form
    7,185.66/10,758.42 = 3,886.92/x
  3. Step 3: Cross multiply
    7,185.66x = 10,758.42 × 3,886.92
  4. Step 4: Simplify right side
    7,185.66x = 41,817,117.87
  5. Step 5: Solve for x
    x = 41,817,117.87/7,185.66
  6. Step 6: Final answer
    x = 5,819.52

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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.