Home / 7,071.02-9,758.49-3,927.14

Finding the Fourth Proportional to 7,071.02, 9,758.49 and 3,927.14

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Solution

The fourth proportional to 7,071.02, 9,758.49 and 3,927.14 is: 5,419.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,071.02 : 9,758.49 = 3,927.14 : x
  2. Step 2: Convert to fraction form
    7,071.02/9,758.49 = 3,927.14/x
  3. Step 3: Cross multiply
    7,071.02x = 9,758.49 × 3,927.14
  4. Step 4: Simplify right side
    7,071.02x = 38,322,956.42
  5. Step 5: Solve for x
    x = 38,322,956.42/7,071.02
  6. Step 6: Final answer
    x = 5,419.72

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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.