Home / 4,851.58-7,275.78-1,563.88

Finding the Fourth Proportional to 4,851.58, 7,275.78 and 1,563.88

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Solution

The fourth proportional to 4,851.58, 7,275.78 and 1,563.88 is: 2,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.58 : 7,275.78 = 1,563.88 : x
  2. Step 2: Convert to fraction form
    4,851.58/7,275.78 = 1,563.88/x
  3. Step 3: Cross multiply
    4,851.58x = 7,275.78 × 1,563.88
  4. Step 4: Simplify right side
    4,851.58x = 11,378,446.83
  5. Step 5: Solve for x
    x = 11,378,446.83/4,851.58
  6. Step 6: Final answer
    x = 2,345.31

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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.