Home / 7,427.66-11,141.69-2,162.45

Finding the Fourth Proportional to 7,427.66, 11,141.69 and 2,162.45

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Solution

The fourth proportional to 7,427.66, 11,141.69 and 2,162.45 is: 3,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.66 : 11,141.69 = 2,162.45 : x
  2. Step 2: Convert to fraction form
    7,427.66/11,141.69 = 2,162.45/x
  3. Step 3: Cross multiply
    7,427.66x = 11,141.69 × 2,162.45
  4. Step 4: Simplify right side
    7,427.66x = 24,093,364.58
  5. Step 5: Solve for x
    x = 24,093,364.58/7,427.66
  6. Step 6: Final answer
    x = 3,243.74

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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.