Home / 7,818.31-11,727.03-2,196.35

Finding the Fourth Proportional to 7,818.31, 11,727.03 and 2,196.35

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Solution

The fourth proportional to 7,818.31, 11,727.03 and 2,196.35 is: 3,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.31 : 11,727.03 = 2,196.35 : x
  2. Step 2: Convert to fraction form
    7,818.31/11,727.03 = 2,196.35/x
  3. Step 3: Cross multiply
    7,818.31x = 11,727.03 × 2,196.35
  4. Step 4: Simplify right side
    7,818.31x = 25,756,662.34
  5. Step 5: Solve for x
    x = 25,756,662.34/7,818.31
  6. Step 6: Final answer
    x = 3,294.40

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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.