Home / 7,137.34-10,707.81-2,753.62

Finding the Fourth Proportional to 7,137.34, 10,707.81 and 2,753.62

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Solution

The fourth proportional to 7,137.34, 10,707.81 and 2,753.62 is: 4,131.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.34 : 10,707.81 = 2,753.62 : x
  2. Step 2: Convert to fraction form
    7,137.34/10,707.81 = 2,753.62/x
  3. Step 3: Cross multiply
    7,137.34x = 10,707.81 × 2,753.62
  4. Step 4: Simplify right side
    7,137.34x = 29,485,239.77
  5. Step 5: Solve for x
    x = 29,485,239.77/7,137.34
  6. Step 6: Final answer
    x = 4,131.12

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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.