Home / 4,734.90-7,112.48-2,887.02

Finding the Fourth Proportional to 4,734.90, 7,112.48 and 2,887.02

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Solution

The fourth proportional to 4,734.90, 7,112.48 and 2,887.02 is: 4,336.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,734.90 : 7,112.48 = 2,887.02 : x
  2. Step 2: Convert to fraction form
    4,734.90/7,112.48 = 2,887.02/x
  3. Step 3: Cross multiply
    4,734.90x = 7,112.48 × 2,887.02
  4. Step 4: Simplify right side
    4,734.90x = 20,533,872.01
  5. Step 5: Solve for x
    x = 20,533,872.01/4,734.90
  6. Step 6: Final answer
    x = 4,336.71

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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.