Home / 7,411.38-11,113.74-2,791.14

Finding the Fourth Proportional to 7,411.38, 11,113.74 and 2,791.14

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Solution

The fourth proportional to 7,411.38, 11,113.74 and 2,791.14 is: 4,185.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.38 : 11,113.74 = 2,791.14 : x
  2. Step 2: Convert to fraction form
    7,411.38/11,113.74 = 2,791.14/x
  3. Step 3: Cross multiply
    7,411.38x = 11,113.74 × 2,791.14
  4. Step 4: Simplify right side
    7,411.38x = 31,020,004.26
  5. Step 5: Solve for x
    x = 31,020,004.26/7,411.38
  6. Step 6: Final answer
    x = 4,185.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.