Home / 5,724.05-7,899.36-3,206.15

Finding the Fourth Proportional to 5,724.05, 7,899.36 and 3,206.15

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Solution

The fourth proportional to 5,724.05, 7,899.36 and 3,206.15 is: 4,424.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.05 : 7,899.36 = 3,206.15 : x
  2. Step 2: Convert to fraction form
    5,724.05/7,899.36 = 3,206.15/x
  3. Step 3: Cross multiply
    5,724.05x = 7,899.36 × 3,206.15
  4. Step 4: Simplify right side
    5,724.05x = 25,326,493.57
  5. Step 5: Solve for x
    x = 25,326,493.57/5,724.05
  6. Step 6: Final answer
    x = 4,424.58

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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.