Home / 7,504.80-11,262.16-3,122.26

Finding the Fourth Proportional to 7,504.80, 11,262.16 and 3,122.26

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Solution

The fourth proportional to 7,504.80, 11,262.16 and 3,122.26 is: 4,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.80 : 11,262.16 = 3,122.26 : x
  2. Step 2: Convert to fraction form
    7,504.80/11,262.16 = 3,122.26/x
  3. Step 3: Cross multiply
    7,504.80x = 11,262.16 × 3,122.26
  4. Step 4: Simplify right side
    7,504.80x = 35,163,391.68
  5. Step 5: Solve for x
    x = 35,163,391.68/7,504.80
  6. Step 6: Final answer
    x = 4,685.45

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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.