Home / 9,217.89-13,830.30-5,522.76

Finding the Fourth Proportional to 9,217.89, 13,830.30 and 5,522.76

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Solution

The fourth proportional to 9,217.89, 13,830.30 and 5,522.76 is: 8,286.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.89 : 13,830.30 = 5,522.76 : x
  2. Step 2: Convert to fraction form
    9,217.89/13,830.30 = 5,522.76/x
  3. Step 3: Cross multiply
    9,217.89x = 13,830.30 × 5,522.76
  4. Step 4: Simplify right side
    9,217.89x = 76,381,427.63
  5. Step 5: Solve for x
    x = 76,381,427.63/9,217.89
  6. Step 6: Final answer
    x = 8,286.22

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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.