Home / 5,355.72-8,032.28-2,066.72

Finding the Fourth Proportional to 5,355.72, 8,032.28 and 2,066.72

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Solution

The fourth proportional to 5,355.72, 8,032.28 and 2,066.72 is: 3,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.72 : 8,032.28 = 2,066.72 : x
  2. Step 2: Convert to fraction form
    5,355.72/8,032.28 = 2,066.72/x
  3. Step 3: Cross multiply
    5,355.72x = 8,032.28 × 2,066.72
  4. Step 4: Simplify right side
    5,355.72x = 16,600,438.73
  5. Step 5: Solve for x
    x = 16,600,438.73/5,355.72
  6. Step 6: Final answer
    x = 3,099.57

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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.