Home / 6,319.19-8,722.41-3,667.66

Finding the Fourth Proportional to 6,319.19, 8,722.41 and 3,667.66

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Solution

The fourth proportional to 6,319.19, 8,722.41 and 3,667.66 is: 5,062.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.19 : 8,722.41 = 3,667.66 : x
  2. Step 2: Convert to fraction form
    6,319.19/8,722.41 = 3,667.66/x
  3. Step 3: Cross multiply
    6,319.19x = 8,722.41 × 3,667.66
  4. Step 4: Simplify right side
    6,319.19x = 31,990,834.26
  5. Step 5: Solve for x
    x = 31,990,834.26/6,319.19
  6. Step 6: Final answer
    x = 5,062.49

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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.