Home / 5,007.82-6,911.39-2,911.95

Finding the Fourth Proportional to 5,007.82, 6,911.39 and 2,911.95

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Solution

The fourth proportional to 5,007.82, 6,911.39 and 2,911.95 is: 4,018.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.82 : 6,911.39 = 2,911.95 : x
  2. Step 2: Convert to fraction form
    5,007.82/6,911.39 = 2,911.95/x
  3. Step 3: Cross multiply
    5,007.82x = 6,911.39 × 2,911.95
  4. Step 4: Simplify right side
    5,007.82x = 20,125,594.83
  5. Step 5: Solve for x
    x = 20,125,594.83/5,007.82
  6. Step 6: Final answer
    x = 4,018.83

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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.