Home / 4,751.90-7,115.70-3,512.60

Finding the Fourth Proportional to 4,751.90, 7,115.70 and 3,512.60

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Solution

The fourth proportional to 4,751.90, 7,115.70 and 3,512.60 is: 5,259.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.90 : 7,115.70 = 3,512.60 : x
  2. Step 2: Convert to fraction form
    4,751.90/7,115.70 = 3,512.60/x
  3. Step 3: Cross multiply
    4,751.90x = 7,115.70 × 3,512.60
  4. Step 4: Simplify right side
    4,751.90x = 24,994,607.82
  5. Step 5: Solve for x
    x = 24,994,607.82/4,751.90
  6. Step 6: Final answer
    x = 5,259.92

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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.