Home / 7,425.36-11,136.81-2,747.58

Finding the Fourth Proportional to 7,425.36, 11,136.81 and 2,747.58

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Solution

The fourth proportional to 7,425.36, 11,136.81 and 2,747.58 is: 4,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.36 : 11,136.81 = 2,747.58 : x
  2. Step 2: Convert to fraction form
    7,425.36/11,136.81 = 2,747.58/x
  3. Step 3: Cross multiply
    7,425.36x = 11,136.81 × 2,747.58
  4. Step 4: Simplify right side
    7,425.36x = 30,599,276.42
  5. Step 5: Solve for x
    x = 30,599,276.42/7,425.36
  6. Step 6: Final answer
    x = 4,120.91

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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.