Home / 7,238.32-10,859.07-4,119.79

Finding the Fourth Proportional to 7,238.32, 10,859.07 and 4,119.79

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Solution

The fourth proportional to 7,238.32, 10,859.07 and 4,119.79 is: 6,180.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.32 : 10,859.07 = 4,119.79 : x
  2. Step 2: Convert to fraction form
    7,238.32/10,859.07 = 4,119.79/x
  3. Step 3: Cross multiply
    7,238.32x = 10,859.07 × 4,119.79
  4. Step 4: Simplify right side
    7,238.32x = 44,737,101.57
  5. Step 5: Solve for x
    x = 44,737,101.57/7,238.32
  6. Step 6: Final answer
    x = 6,180.59

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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.