Home / 7,943.90-11,917.92-3,013.64

Finding the Fourth Proportional to 7,943.90, 11,917.92 and 3,013.64

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Solution

The fourth proportional to 7,943.90, 11,917.92 and 3,013.64 is: 4,521.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.90 : 11,917.92 = 3,013.64 : x
  2. Step 2: Convert to fraction form
    7,943.90/11,917.92 = 3,013.64/x
  3. Step 3: Cross multiply
    7,943.90x = 11,917.92 × 3,013.64
  4. Step 4: Simplify right side
    7,943.90x = 35,916,320.43
  5. Step 5: Solve for x
    x = 35,916,320.43/7,943.90
  6. Step 6: Final answer
    x = 4,521.25

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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.