Home / 7,112.32-10,670.10-2,731.84

Finding the Fourth Proportional to 7,112.32, 10,670.10 and 2,731.84

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Solution

The fourth proportional to 7,112.32, 10,670.10 and 2,731.84 is: 4,098.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.32 : 10,670.10 = 2,731.84 : x
  2. Step 2: Convert to fraction form
    7,112.32/10,670.10 = 2,731.84/x
  3. Step 3: Cross multiply
    7,112.32x = 10,670.10 × 2,731.84
  4. Step 4: Simplify right side
    7,112.32x = 29,149,005.98
  5. Step 5: Solve for x
    x = 29,149,005.98/7,112.32
  6. Step 6: Final answer
    x = 4,098.38

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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.