Home / 6,713.21-9,264.78-3,729.92

Finding the Fourth Proportional to 6,713.21, 9,264.78 and 3,729.92

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Solution

The fourth proportional to 6,713.21, 9,264.78 and 3,729.92 is: 5,147.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,713.21 : 9,264.78 = 3,729.92 : x
  2. Step 2: Convert to fraction form
    6,713.21/9,264.78 = 3,729.92/x
  3. Step 3: Cross multiply
    6,713.21x = 9,264.78 × 3,729.92
  4. Step 4: Simplify right side
    6,713.21x = 34,556,841.89
  5. Step 5: Solve for x
    x = 34,556,841.89/6,713.21
  6. Step 6: Final answer
    x = 5,147.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.