Home / 5,551.90-8,328.38-1,854.38

Finding the Fourth Proportional to 5,551.90, 8,328.38 and 1,854.38

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Solution

The fourth proportional to 5,551.90, 8,328.38 and 1,854.38 is: 2,781.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.90 : 8,328.38 = 1,854.38 : x
  2. Step 2: Convert to fraction form
    5,551.90/8,328.38 = 1,854.38/x
  3. Step 3: Cross multiply
    5,551.90x = 8,328.38 × 1,854.38
  4. Step 4: Simplify right side
    5,551.90x = 15,443,992.85
  5. Step 5: Solve for x
    x = 15,443,992.85/5,551.90
  6. Step 6: Final answer
    x = 2,781.75

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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.