Home / 4,313.86-6,440.72-3,843.65

Finding the Fourth Proportional to 4,313.86, 6,440.72 and 3,843.65

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Solution

The fourth proportional to 4,313.86, 6,440.72 and 3,843.65 is: 5,738.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,313.86 : 6,440.72 = 3,843.65 : x
  2. Step 2: Convert to fraction form
    4,313.86/6,440.72 = 3,843.65/x
  3. Step 3: Cross multiply
    4,313.86x = 6,440.72 × 3,843.65
  4. Step 4: Simplify right side
    4,313.86x = 24,755,870.31
  5. Step 5: Solve for x
    x = 24,755,870.31/4,313.86
  6. Step 6: Final answer
    x = 5,738.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.