Home / 7,570.28-11,356.62-2,640.08

Finding the Fourth Proportional to 7,570.28, 11,356.62 and 2,640.08

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Solution

The fourth proportional to 7,570.28, 11,356.62 and 2,640.08 is: 3,960.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.28 : 11,356.62 = 2,640.08 : x
  2. Step 2: Convert to fraction form
    7,570.28/11,356.62 = 2,640.08/x
  3. Step 3: Cross multiply
    7,570.28x = 11,356.62 × 2,640.08
  4. Step 4: Simplify right side
    7,570.28x = 29,982,385.33
  5. Step 5: Solve for x
    x = 29,982,385.33/7,570.28
  6. Step 6: Final answer
    x = 3,960.54

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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.