Home / 5,378.67-8,064.83-3,188.93

Finding the Fourth Proportional to 5,378.67, 8,064.83 and 3,188.93

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Solution

The fourth proportional to 5,378.67, 8,064.83 and 3,188.93 is: 4,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.67 : 8,064.83 = 3,188.93 : x
  2. Step 2: Convert to fraction form
    5,378.67/8,064.83 = 3,188.93/x
  3. Step 3: Cross multiply
    5,378.67x = 8,064.83 × 3,188.93
  4. Step 4: Simplify right side
    5,378.67x = 25,718,145.98
  5. Step 5: Solve for x
    x = 25,718,145.98/5,378.67
  6. Step 6: Final answer
    x = 4,781.51

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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.