Home / 7,452.24-11,178.84-2,521.20

Finding the Fourth Proportional to 7,452.24, 11,178.84 and 2,521.20

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Solution

The fourth proportional to 7,452.24, 11,178.84 and 2,521.20 is: 3,781.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.24 : 11,178.84 = 2,521.20 : x
  2. Step 2: Convert to fraction form
    7,452.24/11,178.84 = 2,521.20/x
  3. Step 3: Cross multiply
    7,452.24x = 11,178.84 × 2,521.20
  4. Step 4: Simplify right side
    7,452.24x = 28,184,091.41
  5. Step 5: Solve for x
    x = 28,184,091.41/7,452.24
  6. Step 6: Final answer
    x = 3,781.96

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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.