Home / 4,810.20-7,215.78-1,731.48

Finding the Fourth Proportional to 4,810.20, 7,215.78 and 1,731.48

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Solution

The fourth proportional to 4,810.20, 7,215.78 and 1,731.48 is: 2,597.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.20 : 7,215.78 = 1,731.48 : x
  2. Step 2: Convert to fraction form
    4,810.20/7,215.78 = 1,731.48/x
  3. Step 3: Cross multiply
    4,810.20x = 7,215.78 × 1,731.48
  4. Step 4: Simplify right side
    4,810.20x = 12,493,978.75
  5. Step 5: Solve for x
    x = 12,493,978.75/4,810.20
  6. Step 6: Final answer
    x = 2,597.39

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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.