Home / 7,137.98-10,706.89-2,752.36

Finding the Fourth Proportional to 7,137.98, 10,706.89 and 2,752.36

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Solution

The fourth proportional to 7,137.98, 10,706.89 and 2,752.36 is: 4,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.98 : 10,706.89 = 2,752.36 : x
  2. Step 2: Convert to fraction form
    7,137.98/10,706.89 = 2,752.36/x
  3. Step 3: Cross multiply
    7,137.98x = 10,706.89 × 2,752.36
  4. Step 4: Simplify right side
    7,137.98x = 29,469,215.76
  5. Step 5: Solve for x
    x = 29,469,215.76/7,137.98
  6. Step 6: Final answer
    x = 4,128.51

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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.