Home / 4,778.15-7,166.15-2,007.95

Finding the Fourth Proportional to 4,778.15, 7,166.15 and 2,007.95

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Solution

The fourth proportional to 4,778.15, 7,166.15 and 2,007.95 is: 3,011.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.15 : 7,166.15 = 2,007.95 : x
  2. Step 2: Convert to fraction form
    4,778.15/7,166.15 = 2,007.95/x
  3. Step 3: Cross multiply
    4,778.15x = 7,166.15 × 2,007.95
  4. Step 4: Simplify right side
    4,778.15x = 14,389,243.85
  5. Step 5: Solve for x
    x = 14,389,243.85/4,778.15
  6. Step 6: Final answer
    x = 3,011.47

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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.