Home / 5,913.21-8,869.82-2,214.45

Finding the Fourth Proportional to 5,913.21, 8,869.82 and 2,214.45

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Solution

The fourth proportional to 5,913.21, 8,869.82 and 2,214.45 is: 3,321.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.21 : 8,869.82 = 2,214.45 : x
  2. Step 2: Convert to fraction form
    5,913.21/8,869.82 = 2,214.45/x
  3. Step 3: Cross multiply
    5,913.21x = 8,869.82 × 2,214.45
  4. Step 4: Simplify right side
    5,913.21x = 19,641,778.44
  5. Step 5: Solve for x
    x = 19,641,778.44/5,913.21
  6. Step 6: Final answer
    x = 3,321.68

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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.