Home / 4,698.61-7,043.76-1,778.96

Finding the Fourth Proportional to 4,698.61, 7,043.76 and 1,778.96

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Solution

The fourth proportional to 4,698.61, 7,043.76 and 1,778.96 is: 2,666.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,698.61 : 7,043.76 = 1,778.96 : x
  2. Step 2: Convert to fraction form
    4,698.61/7,043.76 = 1,778.96/x
  3. Step 3: Cross multiply
    4,698.61x = 7,043.76 × 1,778.96
  4. Step 4: Simplify right side
    4,698.61x = 12,530,584.90
  5. Step 5: Solve for x
    x = 12,530,584.90/4,698.61
  6. Step 6: Final answer
    x = 2,666.87

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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.