Home / 7,571.27-11,358.80-2,640.95

Finding the Fourth Proportional to 7,571.27, 11,358.80 and 2,640.95

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Solution

The fourth proportional to 7,571.27, 11,358.80 and 2,640.95 is: 3,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.27 : 11,358.80 = 2,640.95 : x
  2. Step 2: Convert to fraction form
    7,571.27/11,358.80 = 2,640.95/x
  3. Step 3: Cross multiply
    7,571.27x = 11,358.80 × 2,640.95
  4. Step 4: Simplify right side
    7,571.27x = 29,997,952.86
  5. Step 5: Solve for x
    x = 29,997,952.86/7,571.27
  6. Step 6: Final answer
    x = 3,962.08

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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.