Home / 4,005.21-5,527.18-2,236.82

Finding the Fourth Proportional to 4,005.21, 5,527.18 and 2,236.82

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Solution

The fourth proportional to 4,005.21, 5,527.18 and 2,236.82 is: 3,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.21 : 5,527.18 = 2,236.82 : x
  2. Step 2: Convert to fraction form
    4,005.21/5,527.18 = 2,236.82/x
  3. Step 3: Cross multiply
    4,005.21x = 5,527.18 × 2,236.82
  4. Step 4: Simplify right side
    4,005.21x = 12,363,306.77
  5. Step 5: Solve for x
    x = 12,363,306.77/4,005.21
  6. Step 6: Final answer
    x = 3,086.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.