Home / 4,371.20-6,552.48-1,772.80

Finding the Fourth Proportional to 4,371.20, 6,552.48 and 1,772.80

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Solution

The fourth proportional to 4,371.20, 6,552.48 and 1,772.80 is: 2,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,371.20 : 6,552.48 = 1,772.80 : x
  2. Step 2: Convert to fraction form
    4,371.20/6,552.48 = 1,772.80/x
  3. Step 3: Cross multiply
    4,371.20x = 6,552.48 × 1,772.80
  4. Step 4: Simplify right side
    4,371.20x = 11,616,236.54
  5. Step 5: Solve for x
    x = 11,616,236.54/4,371.20
  6. Step 6: Final answer
    x = 2,657.45

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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.