Home / 6,320.32-8,723.77-3,667.20

Finding the Fourth Proportional to 6,320.32, 8,723.77 and 3,667.20

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Solution

The fourth proportional to 6,320.32, 8,723.77 and 3,667.20 is: 5,061.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.32 : 8,723.77 = 3,667.20 : x
  2. Step 2: Convert to fraction form
    6,320.32/8,723.77 = 3,667.20/x
  3. Step 3: Cross multiply
    6,320.32x = 8,723.77 × 3,667.20
  4. Step 4: Simplify right side
    6,320.32x = 31,991,747.39
  5. Step 5: Solve for x
    x = 31,991,747.39/6,320.32
  6. Step 6: Final answer
    x = 5,061.73

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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.