Home / 5,911.12-8,869.77-3,830.59

Finding the Fourth Proportional to 5,911.12, 8,869.77 and 3,830.59

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Solution

The fourth proportional to 5,911.12, 8,869.77 and 3,830.59 is: 5,747.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.12 : 8,869.77 = 3,830.59 : x
  2. Step 2: Convert to fraction form
    5,911.12/8,869.77 = 3,830.59/x
  3. Step 3: Cross multiply
    5,911.12x = 8,869.77 × 3,830.59
  4. Step 4: Simplify right side
    5,911.12x = 33,976,452.26
  5. Step 5: Solve for x
    x = 33,976,452.26/5,911.12
  6. Step 6: Final answer
    x = 5,747.89

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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.