Home / 7,170.27-9,893.75-3,983.06

Finding the Fourth Proportional to 7,170.27, 9,893.75 and 3,983.06

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Solution

The fourth proportional to 7,170.27, 9,893.75 and 3,983.06 is: 5,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.27 : 9,893.75 = 3,983.06 : x
  2. Step 2: Convert to fraction form
    7,170.27/9,893.75 = 3,983.06/x
  3. Step 3: Cross multiply
    7,170.27x = 9,893.75 × 3,983.06
  4. Step 4: Simplify right side
    7,170.27x = 39,407,330.49
  5. Step 5: Solve for x
    x = 39,407,330.49/7,170.27
  6. Step 6: Final answer
    x = 5,495.93

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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.