Home / 7,790.25-10,751.54-5,143.17

Finding the Fourth Proportional to 7,790.25, 10,751.54 and 5,143.17

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Solution

The fourth proportional to 7,790.25, 10,751.54 and 5,143.17 is: 7,098.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.25 : 10,751.54 = 5,143.17 : x
  2. Step 2: Convert to fraction form
    7,790.25/10,751.54 = 5,143.17/x
  3. Step 3: Cross multiply
    7,790.25x = 10,751.54 × 5,143.17
  4. Step 4: Simplify right side
    7,790.25x = 55,296,972.27
  5. Step 5: Solve for x
    x = 55,296,972.27/7,790.25
  6. Step 6: Final answer
    x = 7,098.23

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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.