Home / 4,353.45-6,529.56-1,431.38

Finding the Fourth Proportional to 4,353.45, 6,529.56 and 1,431.38

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Solution

The fourth proportional to 4,353.45, 6,529.56 and 1,431.38 is: 2,146.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,353.45 : 6,529.56 = 1,431.38 : x
  2. Step 2: Convert to fraction form
    4,353.45/6,529.56 = 1,431.38/x
  3. Step 3: Cross multiply
    4,353.45x = 6,529.56 × 1,431.38
  4. Step 4: Simplify right side
    4,353.45x = 9,346,248.95
  5. Step 5: Solve for x
    x = 9,346,248.95/4,353.45
  6. Step 6: Final answer
    x = 2,146.86

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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.