Home / 5,486.48-8,229.35-1,788.63

Finding the Fourth Proportional to 5,486.48, 8,229.35 and 1,788.63

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Solution

The fourth proportional to 5,486.48, 8,229.35 and 1,788.63 is: 2,682.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.48 : 8,229.35 = 1,788.63 : x
  2. Step 2: Convert to fraction form
    5,486.48/8,229.35 = 1,788.63/x
  3. Step 3: Cross multiply
    5,486.48x = 8,229.35 × 1,788.63
  4. Step 4: Simplify right side
    5,486.48x = 14,719,272.13
  5. Step 5: Solve for x
    x = 14,719,272.13/5,486.48
  6. Step 6: Final answer
    x = 2,682.82

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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.