Home / 7,172.34-10,752.06-2,786.76

Finding the Fourth Proportional to 7,172.34, 10,752.06 and 2,786.76

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Solution

The fourth proportional to 7,172.34, 10,752.06 and 2,786.76 is: 4,177.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.34 : 10,752.06 = 2,786.76 : x
  2. Step 2: Convert to fraction form
    7,172.34/10,752.06 = 2,786.76/x
  3. Step 3: Cross multiply
    7,172.34x = 10,752.06 × 2,786.76
  4. Step 4: Simplify right side
    7,172.34x = 29,963,410.73
  5. Step 5: Solve for x
    x = 29,963,410.73/7,172.34
  6. Step 6: Final answer
    x = 4,177.63

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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.