Home / 4,121.91-5,688.86-3,244.32

Finding the Fourth Proportional to 4,121.91, 5,688.86 and 3,244.32

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Solution

The fourth proportional to 4,121.91, 5,688.86 and 3,244.32 is: 4,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.91 : 5,688.86 = 3,244.32 : x
  2. Step 2: Convert to fraction form
    4,121.91/5,688.86 = 3,244.32/x
  3. Step 3: Cross multiply
    4,121.91x = 5,688.86 × 3,244.32
  4. Step 4: Simplify right side
    4,121.91x = 18,456,466.05
  5. Step 5: Solve for x
    x = 18,456,466.05/4,121.91
  6. Step 6: Final answer
    x = 4,477.65

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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.