Home / 5,724.47-7,899.22-3,206.39

Finding the Fourth Proportional to 5,724.47, 7,899.22 and 3,206.39

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Solution

The fourth proportional to 5,724.47, 7,899.22 and 3,206.39 is: 4,424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.47 : 7,899.22 = 3,206.39 : x
  2. Step 2: Convert to fraction form
    5,724.47/7,899.22 = 3,206.39/x
  3. Step 3: Cross multiply
    5,724.47x = 7,899.22 × 3,206.39
  4. Step 4: Simplify right side
    5,724.47x = 25,327,944.53
  5. Step 5: Solve for x
    x = 25,327,944.53/5,724.47
  6. Step 6: Final answer
    x = 4,424.50

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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.