Home / 5,117.32-7,679.63-2,196.46

Finding the Fourth Proportional to 5,117.32, 7,679.63 and 2,196.46

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Solution

The fourth proportional to 5,117.32, 7,679.63 and 2,196.46 is: 3,296.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.32 : 7,679.63 = 2,196.46 : x
  2. Step 2: Convert to fraction form
    5,117.32/7,679.63 = 2,196.46/x
  3. Step 3: Cross multiply
    5,117.32x = 7,679.63 × 2,196.46
  4. Step 4: Simplify right side
    5,117.32x = 16,868,000.11
  5. Step 5: Solve for x
    x = 16,868,000.11/5,117.32
  6. Step 6: Final answer
    x = 3,296.26

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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.