Home / 5,805.53-8,707.88-2,688.03

Finding the Fourth Proportional to 5,805.53, 8,707.88 and 2,688.03

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Solution

The fourth proportional to 5,805.53, 8,707.88 and 2,688.03 is: 4,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.53 : 8,707.88 = 2,688.03 : x
  2. Step 2: Convert to fraction form
    5,805.53/8,707.88 = 2,688.03/x
  3. Step 3: Cross multiply
    5,805.53x = 8,707.88 × 2,688.03
  4. Step 4: Simplify right side
    5,805.53x = 23,407,049.40
  5. Step 5: Solve for x
    x = 23,407,049.40/5,805.53
  6. Step 6: Final answer
    x = 4,031.85

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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.