Home / 4,371.60-6,553.20-1,448.40

Finding the Fourth Proportional to 4,371.60, 6,553.20 and 1,448.40

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Solution

The fourth proportional to 4,371.60, 6,553.20 and 1,448.40 is: 2,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,371.60 : 6,553.20 = 1,448.40 : x
  2. Step 2: Convert to fraction form
    4,371.60/6,553.20 = 1,448.40/x
  3. Step 3: Cross multiply
    4,371.60x = 6,553.20 × 1,448.40
  4. Step 4: Simplify right side
    4,371.60x = 9,491,654.88
  5. Step 5: Solve for x
    x = 9,491,654.88/4,371.60
  6. Step 6: Final answer
    x = 2,171.21

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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.