Home / 7,818.59-11,719.69-5,735.48

Finding the Fourth Proportional to 7,818.59, 11,719.69 and 5,735.48

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Solution

The fourth proportional to 7,818.59, 11,719.69 and 5,735.48 is: 8,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.59 : 11,719.69 = 5,735.48 : x
  2. Step 2: Convert to fraction form
    7,818.59/11,719.69 = 5,735.48/x
  3. Step 3: Cross multiply
    7,818.59x = 11,719.69 × 5,735.48
  4. Step 4: Simplify right side
    7,818.59x = 67,217,974.66
  5. Step 5: Solve for x
    x = 67,217,974.66/7,818.59
  6. Step 6: Final answer
    x = 8,597.20

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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.