Home / 7,493.81-11,246.34-2,818.43

Finding the Fourth Proportional to 7,493.81, 11,246.34 and 2,818.43

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Solution

The fourth proportional to 7,493.81, 11,246.34 and 2,818.43 is: 4,229.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.81 : 11,246.34 = 2,818.43 : x
  2. Step 2: Convert to fraction form
    7,493.81/11,246.34 = 2,818.43/x
  3. Step 3: Cross multiply
    7,493.81x = 11,246.34 × 2,818.43
  4. Step 4: Simplify right side
    7,493.81x = 31,696,965.81
  5. Step 5: Solve for x
    x = 31,696,965.81/7,493.81
  6. Step 6: Final answer
    x = 4,229.76

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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.