Home / 6,778.10-9,350.88-4,790.36

Finding the Fourth Proportional to 6,778.10, 9,350.88 and 4,790.36

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Solution

The fourth proportional to 6,778.10, 9,350.88 and 4,790.36 is: 6,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.10 : 9,350.88 = 4,790.36 : x
  2. Step 2: Convert to fraction form
    6,778.10/9,350.88 = 4,790.36/x
  3. Step 3: Cross multiply
    6,778.10x = 9,350.88 × 4,790.36
  4. Step 4: Simplify right side
    6,778.10x = 44,794,034.76
  5. Step 5: Solve for x
    x = 44,794,034.76/6,778.10
  6. Step 6: Final answer
    x = 6,608.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.