Home / 7,778.16-10,739.39-4,794.93

Finding the Fourth Proportional to 7,778.16, 10,739.39 and 4,794.93

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Solution

The fourth proportional to 7,778.16, 10,739.39 and 4,794.93 is: 6,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.16 : 10,739.39 = 4,794.93 : x
  2. Step 2: Convert to fraction form
    7,778.16/10,739.39 = 4,794.93/x
  3. Step 3: Cross multiply
    7,778.16x = 10,739.39 × 4,794.93
  4. Step 4: Simplify right side
    7,778.16x = 51,494,599.32
  5. Step 5: Solve for x
    x = 51,494,599.32/7,778.16
  6. Step 6: Final answer
    x = 6,620.41

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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.