Home / 5,197.39-7,172.40-2,959.26

Finding the Fourth Proportional to 5,197.39, 7,172.40 and 2,959.26

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Solution

The fourth proportional to 5,197.39, 7,172.40 and 2,959.26 is: 4,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.39 : 7,172.40 = 2,959.26 : x
  2. Step 2: Convert to fraction form
    5,197.39/7,172.40 = 2,959.26/x
  3. Step 3: Cross multiply
    5,197.39x = 7,172.40 × 2,959.26
  4. Step 4: Simplify right side
    5,197.39x = 21,225,027.02
  5. Step 5: Solve for x
    x = 21,225,027.02/5,197.39
  6. Step 6: Final answer
    x = 4,083.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.