Home / 5,296.56-7,943.70-2,175.78

Finding the Fourth Proportional to 5,296.56, 7,943.70 and 2,175.78

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Solution

The fourth proportional to 5,296.56, 7,943.70 and 2,175.78 is: 3,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.56 : 7,943.70 = 2,175.78 : x
  2. Step 2: Convert to fraction form
    5,296.56/7,943.70 = 2,175.78/x
  3. Step 3: Cross multiply
    5,296.56x = 7,943.70 × 2,175.78
  4. Step 4: Simplify right side
    5,296.56x = 17,283,743.59
  5. Step 5: Solve for x
    x = 17,283,743.59/5,296.56
  6. Step 6: Final answer
    x = 3,263.20

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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.