Home / 5,150.69-7,107.95-2,792.83

Finding the Fourth Proportional to 5,150.69, 7,107.95 and 2,792.83

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Solution

The fourth proportional to 5,150.69, 7,107.95 and 2,792.83 is: 3,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.69 : 7,107.95 = 2,792.83 : x
  2. Step 2: Convert to fraction form
    5,150.69/7,107.95 = 2,792.83/x
  3. Step 3: Cross multiply
    5,150.69x = 7,107.95 × 2,792.83
  4. Step 4: Simplify right side
    5,150.69x = 19,851,296.00
  5. Step 5: Solve for x
    x = 19,851,296.00/5,150.69
  6. Step 6: Final answer
    x = 3,854.10

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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.