Home / 5,408.73-8,109.81-2,632.60

Finding the Fourth Proportional to 5,408.73, 8,109.81 and 2,632.60

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Solution

The fourth proportional to 5,408.73, 8,109.81 and 2,632.60 is: 3,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.73 : 8,109.81 = 2,632.60 : x
  2. Step 2: Convert to fraction form
    5,408.73/8,109.81 = 2,632.60/x
  3. Step 3: Cross multiply
    5,408.73x = 8,109.81 × 2,632.60
  4. Step 4: Simplify right side
    5,408.73x = 21,349,885.81
  5. Step 5: Solve for x
    x = 21,349,885.81/5,408.73
  6. Step 6: Final answer
    x = 3,947.30

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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.