Home / 6,436.06-9,659.56-2,543.20

Finding the Fourth Proportional to 6,436.06, 9,659.56 and 2,543.20

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Solution

The fourth proportional to 6,436.06, 9,659.56 and 2,543.20 is: 3,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.06 : 9,659.56 = 2,543.20 : x
  2. Step 2: Convert to fraction form
    6,436.06/9,659.56 = 2,543.20/x
  3. Step 3: Cross multiply
    6,436.06x = 9,659.56 × 2,543.20
  4. Step 4: Simplify right side
    6,436.06x = 24,566,192.99
  5. Step 5: Solve for x
    x = 24,566,192.99/6,436.06
  6. Step 6: Final answer
    x = 3,816.96

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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.