Home / 6,818.40-10,227.72-2,201.40

Finding the Fourth Proportional to 6,818.40, 10,227.72 and 2,201.40

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Solution

The fourth proportional to 6,818.40, 10,227.72 and 2,201.40 is: 3,302.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.40 : 10,227.72 = 2,201.40 : x
  2. Step 2: Convert to fraction form
    6,818.40/10,227.72 = 2,201.40/x
  3. Step 3: Cross multiply
    6,818.40x = 10,227.72 × 2,201.40
  4. Step 4: Simplify right side
    6,818.40x = 22,515,302.81
  5. Step 5: Solve for x
    x = 22,515,302.81/6,818.40
  6. Step 6: Final answer
    x = 3,302.14

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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.