Home / 7,175.09-9,902.43-4,344.02

Finding the Fourth Proportional to 7,175.09, 9,902.43 and 4,344.02

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Solution

The fourth proportional to 7,175.09, 9,902.43 and 4,344.02 is: 5,995.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.09 : 9,902.43 = 4,344.02 : x
  2. Step 2: Convert to fraction form
    7,175.09/9,902.43 = 4,344.02/x
  3. Step 3: Cross multiply
    7,175.09x = 9,902.43 × 4,344.02
  4. Step 4: Simplify right side
    7,175.09x = 43,016,332.25
  5. Step 5: Solve for x
    x = 43,016,332.25/7,175.09
  6. Step 6: Final answer
    x = 5,995.23

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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.