Home / 5,197.68-7,172.48-2,959.65

Finding the Fourth Proportional to 5,197.68, 7,172.48 and 2,959.65

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Solution

The fourth proportional to 5,197.68, 7,172.48 and 2,959.65 is: 4,084.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.68 : 7,172.48 = 2,959.65 : x
  2. Step 2: Convert to fraction form
    5,197.68/7,172.48 = 2,959.65/x
  3. Step 3: Cross multiply
    5,197.68x = 7,172.48 × 2,959.65
  4. Step 4: Simplify right side
    5,197.68x = 21,228,037.83
  5. Step 5: Solve for x
    x = 21,228,037.83/5,197.68
  6. Step 6: Final answer
    x = 4,084.14

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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.