Home / 5,091.39-7,663.88-4,339.71

Finding the Fourth Proportional to 5,091.39, 7,663.88 and 4,339.71

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Solution

The fourth proportional to 5,091.39, 7,663.88 and 4,339.71 is: 6,532.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.39 : 7,663.88 = 4,339.71 : x
  2. Step 2: Convert to fraction form
    5,091.39/7,663.88 = 4,339.71/x
  3. Step 3: Cross multiply
    5,091.39x = 7,663.88 × 4,339.71
  4. Step 4: Simplify right side
    5,091.39x = 33,259,027.52
  5. Step 5: Solve for x
    x = 33,259,027.52/5,091.39
  6. Step 6: Final answer
    x = 6,532.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.