Home / 7,570.75-11,356.18-2,640.37

Finding the Fourth Proportional to 7,570.75, 11,356.18 and 2,640.37

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Solution

The fourth proportional to 7,570.75, 11,356.18 and 2,640.37 is: 3,960.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.75 : 11,356.18 = 2,640.37 : x
  2. Step 2: Convert to fraction form
    7,570.75/11,356.18 = 2,640.37/x
  3. Step 3: Cross multiply
    7,570.75x = 11,356.18 × 2,640.37
  4. Step 4: Simplify right side
    7,570.75x = 29,984,503.78
  5. Step 5: Solve for x
    x = 29,984,503.78/7,570.75
  6. Step 6: Final answer
    x = 3,960.57

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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.