Home / 5,275.53-7,912.89-2,197.53

Finding the Fourth Proportional to 5,275.53, 7,912.89 and 2,197.53

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Solution

The fourth proportional to 5,275.53, 7,912.89 and 2,197.53 is: 3,296.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.53 : 7,912.89 = 2,197.53 : x
  2. Step 2: Convert to fraction form
    5,275.53/7,912.89 = 2,197.53/x
  3. Step 3: Cross multiply
    5,275.53x = 7,912.89 × 2,197.53
  4. Step 4: Simplify right side
    5,275.53x = 17,388,813.16
  5. Step 5: Solve for x
    x = 17,388,813.16/5,275.53
  6. Step 6: Final answer
    x = 3,296.13

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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.