Home / 6,639.23-9,959.76-2,255.51

Finding the Fourth Proportional to 6,639.23, 9,959.76 and 2,255.51

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Solution

The fourth proportional to 6,639.23, 9,959.76 and 2,255.51 is: 3,383.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.23 : 9,959.76 = 2,255.51 : x
  2. Step 2: Convert to fraction form
    6,639.23/9,959.76 = 2,255.51/x
  3. Step 3: Cross multiply
    6,639.23x = 9,959.76 × 2,255.51
  4. Step 4: Simplify right side
    6,639.23x = 22,464,338.28
  5. Step 5: Solve for x
    x = 22,464,338.28/6,639.23
  6. Step 6: Final answer
    x = 3,383.58

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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.