Home / 4,411.20-6,617.52-1,778.70

Finding the Fourth Proportional to 4,411.20, 6,617.52 and 1,778.70

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Solution

The fourth proportional to 4,411.20, 6,617.52 and 1,778.70 is: 2,668.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,411.20 : 6,617.52 = 1,778.70 : x
  2. Step 2: Convert to fraction form
    4,411.20/6,617.52 = 1,778.70/x
  3. Step 3: Cross multiply
    4,411.20x = 6,617.52 × 1,778.70
  4. Step 4: Simplify right side
    4,411.20x = 11,770,582.82
  5. Step 5: Solve for x
    x = 11,770,582.82/4,411.20
  6. Step 6: Final answer
    x = 2,668.34

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1.5x scale

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.