Home / 5,905.22-8,811.76-5,381.25

Finding the Fourth Proportional to 5,905.22, 8,811.76 and 5,381.25

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Solution

The fourth proportional to 5,905.22, 8,811.76 and 5,381.25 is: 8,029.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.22 : 8,811.76 = 5,381.25 : x
  2. Step 2: Convert to fraction form
    5,905.22/8,811.76 = 5,381.25/x
  3. Step 3: Cross multiply
    5,905.22x = 8,811.76 × 5,381.25
  4. Step 4: Simplify right side
    5,905.22x = 47,418,283.50
  5. Step 5: Solve for x
    x = 47,418,283.50/5,905.22
  6. Step 6: Final answer
    x = 8,029.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.