Home / 7,418.04-11,103.84-4,120.53

Finding the Fourth Proportional to 7,418.04, 11,103.84 and 4,120.53

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Solution

The fourth proportional to 7,418.04, 11,103.84 and 4,120.53 is: 6,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.04 : 11,103.84 = 4,120.53 : x
  2. Step 2: Convert to fraction form
    7,418.04/11,103.84 = 4,120.53/x
  3. Step 3: Cross multiply
    7,418.04x = 11,103.84 × 4,120.53
  4. Step 4: Simplify right side
    7,418.04x = 45,753,705.84
  5. Step 5: Solve for x
    x = 45,753,705.84/7,418.04
  6. Step 6: Final answer
    x = 6,167.90

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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.