Home / 6,772.76-10,156.94-2,154.68

Finding the Fourth Proportional to 6,772.76, 10,156.94 and 2,154.68

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Solution

The fourth proportional to 6,772.76, 10,156.94 and 2,154.68 is: 3,231.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772.76 : 10,156.94 = 2,154.68 : x
  2. Step 2: Convert to fraction form
    6,772.76/10,156.94 = 2,154.68/x
  3. Step 3: Cross multiply
    6,772.76x = 10,156.94 × 2,154.68
  4. Step 4: Simplify right side
    6,772.76x = 21,884,955.48
  5. Step 5: Solve for x
    x = 21,884,955.48/6,772.76
  6. Step 6: Final answer
    x = 3,231.32

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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.