Home / 7,107.57-9,805.33-4,273.31

Finding the Fourth Proportional to 7,107.57, 9,805.33 and 4,273.31

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Solution

The fourth proportional to 7,107.57, 9,805.33 and 4,273.31 is: 5,895.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.57 : 9,805.33 = 4,273.31 : x
  2. Step 2: Convert to fraction form
    7,107.57/9,805.33 = 4,273.31/x
  3. Step 3: Cross multiply
    7,107.57x = 9,805.33 × 4,273.31
  4. Step 4: Simplify right side
    7,107.57x = 41,901,177.42
  5. Step 5: Solve for x
    x = 41,901,177.42/7,107.57
  6. Step 6: Final answer
    x = 5,895.29

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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.