Home / 7,396.88-10,207.62-4,039.76

Finding the Fourth Proportional to 7,396.88, 10,207.62 and 4,039.76

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Solution

The fourth proportional to 7,396.88, 10,207.62 and 4,039.76 is: 5,574.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.88 : 10,207.62 = 4,039.76 : x
  2. Step 2: Convert to fraction form
    7,396.88/10,207.62 = 4,039.76/x
  3. Step 3: Cross multiply
    7,396.88x = 10,207.62 × 4,039.76
  4. Step 4: Simplify right side
    7,396.88x = 41,236,334.97
  5. Step 5: Solve for x
    x = 41,236,334.97/7,396.88
  6. Step 6: Final answer
    x = 5,574.83

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1.5x scale

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.