Home / 7,943.51-11,915.36-2,396.91

Finding the Fourth Proportional to 7,943.51, 11,915.36 and 2,396.91

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Solution

The fourth proportional to 7,943.51, 11,915.36 and 2,396.91 is: 3,595.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.51 : 11,915.36 = 2,396.91 : x
  2. Step 2: Convert to fraction form
    7,943.51/11,915.36 = 2,396.91/x
  3. Step 3: Cross multiply
    7,943.51x = 11,915.36 × 2,396.91
  4. Step 4: Simplify right side
    7,943.51x = 28,560,042.54
  5. Step 5: Solve for x
    x = 28,560,042.54/7,943.51
  6. Step 6: Final answer
    x = 3,595.39

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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.