Home / 6,419.02-9,630.23-2,721.39

Finding the Fourth Proportional to 6,419.02, 9,630.23 and 2,721.39

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Solution

The fourth proportional to 6,419.02, 9,630.23 and 2,721.39 is: 4,082.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.02 : 9,630.23 = 2,721.39 : x
  2. Step 2: Convert to fraction form
    6,419.02/9,630.23 = 2,721.39/x
  3. Step 3: Cross multiply
    6,419.02x = 9,630.23 × 2,721.39
  4. Step 4: Simplify right side
    6,419.02x = 26,207,611.62
  5. Step 5: Solve for x
    x = 26,207,611.62/6,419.02
  6. Step 6: Final answer
    x = 4,082.81

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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.