Home / 4,640.45-6,961.89-1,353.47

Finding the Fourth Proportional to 4,640.45, 6,961.89 and 1,353.47

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Solution

The fourth proportional to 4,640.45, 6,961.89 and 1,353.47 is: 2,030.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.45 : 6,961.89 = 1,353.47 : x
  2. Step 2: Convert to fraction form
    4,640.45/6,961.89 = 1,353.47/x
  3. Step 3: Cross multiply
    4,640.45x = 6,961.89 × 1,353.47
  4. Step 4: Simplify right side
    4,640.45x = 9,422,709.26
  5. Step 5: Solve for x
    x = 9,422,709.26/4,640.45
  6. Step 6: Final answer
    x = 2,030.56

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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.