Home / 7,530.80-11,292.84-4,020.18

Finding the Fourth Proportional to 7,530.80, 11,292.84 and 4,020.18

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Solution

The fourth proportional to 7,530.80, 11,292.84 and 4,020.18 is: 6,028.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.80 : 11,292.84 = 4,020.18 : x
  2. Step 2: Convert to fraction form
    7,530.80/11,292.84 = 4,020.18/x
  3. Step 3: Cross multiply
    7,530.80x = 11,292.84 × 4,020.18
  4. Step 4: Simplify right side
    7,530.80x = 45,399,249.51
  5. Step 5: Solve for x
    x = 45,399,249.51/7,530.80
  6. Step 6: Final answer
    x = 6,028.48

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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.