Home / 4,137.20-5,701.32-3,866.48

Finding the Fourth Proportional to 4,137.20, 5,701.32 and 3,866.48

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Solution

The fourth proportional to 4,137.20, 5,701.32 and 3,866.48 is: 5,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.20 : 5,701.32 = 3,866.48 : x
  2. Step 2: Convert to fraction form
    4,137.20/5,701.32 = 3,866.48/x
  3. Step 3: Cross multiply
    4,137.20x = 5,701.32 × 3,866.48
  4. Step 4: Simplify right side
    4,137.20x = 22,044,039.75
  5. Step 5: Solve for x
    x = 22,044,039.75/4,137.20
  6. Step 6: Final answer
    x = 5,328.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.