Home / 4,798.71-7,197.80-1,288.58

Finding the Fourth Proportional to 4,798.71, 7,197.80 and 1,288.58

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Solution

The fourth proportional to 4,798.71, 7,197.80 and 1,288.58 is: 1,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,798.71 : 7,197.80 = 1,288.58 : x
  2. Step 2: Convert to fraction form
    4,798.71/7,197.80 = 1,288.58/x
  3. Step 3: Cross multiply
    4,798.71x = 7,197.80 × 1,288.58
  4. Step 4: Simplify right side
    4,798.71x = 9,274,898.69
  5. Step 5: Solve for x
    x = 9,274,898.69/4,798.71
  6. Step 6: Final answer
    x = 1,932.79

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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.