Home / 5,607.78-8,408.88-3,268.56

Finding the Fourth Proportional to 5,607.78, 8,408.88 and 3,268.56

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Solution

The fourth proportional to 5,607.78, 8,408.88 and 3,268.56 is: 4,901.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.78 : 8,408.88 = 3,268.56 : x
  2. Step 2: Convert to fraction form
    5,607.78/8,408.88 = 3,268.56/x
  3. Step 3: Cross multiply
    5,607.78x = 8,408.88 × 3,268.56
  4. Step 4: Simplify right side
    5,607.78x = 27,484,928.81
  5. Step 5: Solve for x
    x = 27,484,928.81/5,607.78
  6. Step 6: Final answer
    x = 4,901.21

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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.