Home / 7,071.17-9,758.04-3,927.35

Finding the Fourth Proportional to 7,071.17, 9,758.04 and 3,927.35

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Solution

The fourth proportional to 7,071.17, 9,758.04 and 3,927.35 is: 5,419.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,071.17 : 9,758.04 = 3,927.35 : x
  2. Step 2: Convert to fraction form
    7,071.17/9,758.04 = 3,927.35/x
  3. Step 3: Cross multiply
    7,071.17x = 9,758.04 × 3,927.35
  4. Step 4: Simplify right side
    7,071.17x = 38,323,248.06
  5. Step 5: Solve for x
    x = 38,323,248.06/7,071.17
  6. Step 6: Final answer
    x = 5,419.65

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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.