Home / 7,076.76-10,617.08-2,146.56

Finding the Fourth Proportional to 7,076.76, 10,617.08 and 2,146.56

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Solution

The fourth proportional to 7,076.76, 10,617.08 and 2,146.56 is: 3,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.76 : 10,617.08 = 2,146.56 : x
  2. Step 2: Convert to fraction form
    7,076.76/10,617.08 = 2,146.56/x
  3. Step 3: Cross multiply
    7,076.76x = 10,617.08 × 2,146.56
  4. Step 4: Simplify right side
    7,076.76x = 22,790,199.24
  5. Step 5: Solve for x
    x = 22,790,199.24/7,076.76
  6. Step 6: Final answer
    x = 3,220.43

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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.