Home / 5,748-8,615.86-3,277.50

Finding the Fourth Proportional to 5,748, 8,615.86 and 3,277.50

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Solution

The fourth proportional to 5,748, 8,615.86 and 3,277.50 is: 4,912.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748 : 8,615.86 = 3,277.50 : x
  2. Step 2: Convert to fraction form
    5,748/8,615.86 = 3,277.50/x
  3. Step 3: Cross multiply
    5,748x = 8,615.86 × 3,277.50
  4. Step 4: Simplify right side
    5,748x = 28,238,481.15
  5. Step 5: Solve for x
    x = 28,238,481.15/5,748
  6. Step 6: Final answer
    x = 4,912.75

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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.