Home / 6,909.29-10,367-3,621.60

Finding the Fourth Proportional to 6,909.29, 10,367 and 3,621.60

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Solution

The fourth proportional to 6,909.29, 10,367 and 3,621.60 is: 5,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.29 : 10,367 = 3,621.60 : x
  2. Step 2: Convert to fraction form
    6,909.29/10,367 = 3,621.60/x
  3. Step 3: Cross multiply
    6,909.29x = 10,367 × 3,621.60
  4. Step 4: Simplify right side
    6,909.29x = 37,545,127.20
  5. Step 5: Solve for x
    x = 37,545,127.20/6,909.29
  6. Step 6: Final answer
    x = 5,434.01

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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.