Home / 7,290.88-10,936.35-4,002.18

Finding the Fourth Proportional to 7,290.88, 10,936.35 and 4,002.18

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Solution

The fourth proportional to 7,290.88, 10,936.35 and 4,002.18 is: 6,003.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.88 : 10,936.35 = 4,002.18 : x
  2. Step 2: Convert to fraction form
    7,290.88/10,936.35 = 4,002.18/x
  3. Step 3: Cross multiply
    7,290.88x = 10,936.35 × 4,002.18
  4. Step 4: Simplify right side
    7,290.88x = 43,769,200.23
  5. Step 5: Solve for x
    x = 43,769,200.23/7,290.88
  6. Step 6: Final answer
    x = 6,003.28

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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.