Home / 5,538.19-8,308.11-1,788.71

Finding the Fourth Proportional to 5,538.19, 8,308.11 and 1,788.71

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Solution

The fourth proportional to 5,538.19, 8,308.11 and 1,788.71 is: 2,683.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.19 : 8,308.11 = 1,788.71 : x
  2. Step 2: Convert to fraction form
    5,538.19/8,308.11 = 1,788.71/x
  3. Step 3: Cross multiply
    5,538.19x = 8,308.11 × 1,788.71
  4. Step 4: Simplify right side
    5,538.19x = 14,860,790.49
  5. Step 5: Solve for x
    x = 14,860,790.49/5,538.19
  6. Step 6: Final answer
    x = 2,683.33

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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.