Home / 7,699.80-11,540.55-3,536.28

Finding the Fourth Proportional to 7,699.80, 11,540.55 and 3,536.28

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Solution

The fourth proportional to 7,699.80, 11,540.55 and 3,536.28 is: 5,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,699.80 : 11,540.55 = 3,536.28 : x
  2. Step 2: Convert to fraction form
    7,699.80/11,540.55 = 3,536.28/x
  3. Step 3: Cross multiply
    7,699.80x = 11,540.55 × 3,536.28
  4. Step 4: Simplify right side
    7,699.80x = 40,810,616.15
  5. Step 5: Solve for x
    x = 40,810,616.15/7,699.80
  6. Step 6: Final answer
    x = 5,300.22

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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.