Home / 4,749-7,126.74-3,459.48

Finding the Fourth Proportional to 4,749, 7,126.74 and 3,459.48

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Solution

The fourth proportional to 4,749, 7,126.74 and 3,459.48 is: 5,191.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749 : 7,126.74 = 3,459.48 : x
  2. Step 2: Convert to fraction form
    4,749/7,126.74 = 3,459.48/x
  3. Step 3: Cross multiply
    4,749x = 7,126.74 × 3,459.48
  4. Step 4: Simplify right side
    4,749x = 24,654,814.50
  5. Step 5: Solve for x
    x = 24,654,814.50/4,749
  6. Step 6: Final answer
    x = 5,191.58

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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.