Home / 5,292.35-7,936.70-2,171.47

Finding the Fourth Proportional to 5,292.35, 7,936.70 and 2,171.47

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Solution

The fourth proportional to 5,292.35, 7,936.70 and 2,171.47 is: 3,256.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.35 : 7,936.70 = 2,171.47 : x
  2. Step 2: Convert to fraction form
    5,292.35/7,936.70 = 2,171.47/x
  3. Step 3: Cross multiply
    5,292.35x = 7,936.70 × 2,171.47
  4. Step 4: Simplify right side
    5,292.35x = 17,234,305.95
  5. Step 5: Solve for x
    x = 17,234,305.95/5,292.35
  6. Step 6: Final answer
    x = 3,256.46

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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.