Home / 4,353.48-6,530.58-1,431.09

Finding the Fourth Proportional to 4,353.48, 6,530.58 and 1,431.09

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Solution

The fourth proportional to 4,353.48, 6,530.58 and 1,431.09 is: 2,146.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,353.48 : 6,530.58 = 1,431.09 : x
  2. Step 2: Convert to fraction form
    4,353.48/6,530.58 = 1,431.09/x
  3. Step 3: Cross multiply
    4,353.48x = 6,530.58 × 1,431.09
  4. Step 4: Simplify right side
    4,353.48x = 9,345,847.73
  5. Step 5: Solve for x
    x = 9,345,847.73/4,353.48
  6. Step 6: Final answer
    x = 2,146.75

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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.