Home / 4,354.12-6,529.78-1,431.73

Finding the Fourth Proportional to 4,354.12, 6,529.78 and 1,431.73

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Solution

The fourth proportional to 4,354.12, 6,529.78 and 1,431.73 is: 2,147.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,354.12 : 6,529.78 = 1,431.73 : x
  2. Step 2: Convert to fraction form
    4,354.12/6,529.78 = 1,431.73/x
  3. Step 3: Cross multiply
    4,354.12x = 6,529.78 × 1,431.73
  4. Step 4: Simplify right side
    4,354.12x = 9,348,881.92
  5. Step 5: Solve for x
    x = 9,348,881.92/4,354.12
  6. Step 6: Final answer
    x = 2,147.13

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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.