Home / 5,753.67-8,615.11-3,285.09

Finding the Fourth Proportional to 5,753.67, 8,615.11 and 3,285.09

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Solution

The fourth proportional to 5,753.67, 8,615.11 and 3,285.09 is: 4,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.67 : 8,615.11 = 3,285.09 : x
  2. Step 2: Convert to fraction form
    5,753.67/8,615.11 = 3,285.09/x
  3. Step 3: Cross multiply
    5,753.67x = 8,615.11 × 3,285.09
  4. Step 4: Simplify right side
    5,753.67x = 28,301,409.66
  5. Step 5: Solve for x
    x = 28,301,409.66/5,753.67
  6. Step 6: Final answer
    x = 4,918.85

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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.