Home / 7,381.24-11,076.51-3,221.35

Finding the Fourth Proportional to 7,381.24, 11,076.51 and 3,221.35

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Solution

The fourth proportional to 7,381.24, 11,076.51 and 3,221.35 is: 4,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.24 : 11,076.51 = 3,221.35 : x
  2. Step 2: Convert to fraction form
    7,381.24/11,076.51 = 3,221.35/x
  3. Step 3: Cross multiply
    7,381.24x = 11,076.51 × 3,221.35
  4. Step 4: Simplify right side
    7,381.24x = 35,681,315.49
  5. Step 5: Solve for x
    x = 35,681,315.49/7,381.24
  6. Step 6: Final answer
    x = 4,834.05

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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.