Home / 5,910.89-8,869.02-2,213.40

Finding the Fourth Proportional to 5,910.89, 8,869.02 and 2,213.40

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Solution

The fourth proportional to 5,910.89, 8,869.02 and 2,213.40 is: 3,321.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.89 : 8,869.02 = 2,213.40 : x
  2. Step 2: Convert to fraction form
    5,910.89/8,869.02 = 2,213.40/x
  3. Step 3: Cross multiply
    5,910.89x = 8,869.02 × 2,213.40
  4. Step 4: Simplify right side
    5,910.89x = 19,630,688.87
  5. Step 5: Solve for x
    x = 19,630,688.87/5,910.89
  6. Step 6: Final answer
    x = 3,321.11

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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.