Home / 5,189.23-7,785.79-3,110.71

Finding the Fourth Proportional to 5,189.23, 7,785.79 and 3,110.71

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Solution

The fourth proportional to 5,189.23, 7,785.79 and 3,110.71 is: 4,667.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.23 : 7,785.79 = 3,110.71 : x
  2. Step 2: Convert to fraction form
    5,189.23/7,785.79 = 3,110.71/x
  3. Step 3: Cross multiply
    5,189.23x = 7,785.79 × 3,110.71
  4. Step 4: Simplify right side
    5,189.23x = 24,219,319.26
  5. Step 5: Solve for x
    x = 24,219,319.26/5,189.23
  6. Step 6: Final answer
    x = 4,667.23

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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.