Home / 5,338.01-8,005.99-1,639.25

Finding the Fourth Proportional to 5,338.01, 8,005.99 and 1,639.25

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Solution

The fourth proportional to 5,338.01, 8,005.99 and 1,639.25 is: 2,458.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.01 : 8,005.99 = 1,639.25 : x
  2. Step 2: Convert to fraction form
    5,338.01/8,005.99 = 1,639.25/x
  3. Step 3: Cross multiply
    5,338.01x = 8,005.99 × 1,639.25
  4. Step 4: Simplify right side
    5,338.01x = 13,123,785.56
  5. Step 5: Solve for x
    x = 13,123,785.56/5,338.01
  6. Step 6: Final answer
    x = 2,458.55

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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.