Home / 7,396.91-10,207.79-4,039.66

Finding the Fourth Proportional to 7,396.91, 10,207.79 and 4,039.66

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Solution

The fourth proportional to 7,396.91, 10,207.79 and 4,039.66 is: 5,574.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.91 : 10,207.79 = 4,039.66 : x
  2. Step 2: Convert to fraction form
    7,396.91/10,207.79 = 4,039.66/x
  3. Step 3: Cross multiply
    7,396.91x = 10,207.79 × 4,039.66
  4. Step 4: Simplify right side
    7,396.91x = 41,236,036.57
  5. Step 5: Solve for x
    x = 41,236,036.57/7,396.91
  6. Step 6: Final answer
    x = 5,574.77

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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.