Home / 5,205.50-7,172.97-3,710.24

Finding the Fourth Proportional to 5,205.50, 7,172.97 and 3,710.24

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Solution

The fourth proportional to 5,205.50, 7,172.97 and 3,710.24 is: 5,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.50 : 7,172.97 = 3,710.24 : x
  2. Step 2: Convert to fraction form
    5,205.50/7,172.97 = 3,710.24/x
  3. Step 3: Cross multiply
    5,205.50x = 7,172.97 × 3,710.24
  4. Step 4: Simplify right side
    5,205.50x = 26,613,444.23
  5. Step 5: Solve for x
    x = 26,613,444.23/5,205.50
  6. Step 6: Final answer
    x = 5,112.56

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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.