Home / 5,486.88-8,233.28-3,638.86

Finding the Fourth Proportional to 5,486.88, 8,233.28 and 3,638.86

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Solution

The fourth proportional to 5,486.88, 8,233.28 and 3,638.86 is: 5,460.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.88 : 8,233.28 = 3,638.86 : x
  2. Step 2: Convert to fraction form
    5,486.88/8,233.28 = 3,638.86/x
  3. Step 3: Cross multiply
    5,486.88x = 8,233.28 × 3,638.86
  4. Step 4: Simplify right side
    5,486.88x = 29,959,753.26
  5. Step 5: Solve for x
    x = 29,959,753.26/5,486.88
  6. Step 6: Final answer
    x = 5,460.25

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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.