Home / 6,405.16-9,608.82-2,509.60

Finding the Fourth Proportional to 6,405.16, 9,608.82 and 2,509.60

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Solution

The fourth proportional to 6,405.16, 9,608.82 and 2,509.60 is: 3,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.16 : 9,608.82 = 2,509.60 : x
  2. Step 2: Convert to fraction form
    6,405.16/9,608.82 = 2,509.60/x
  3. Step 3: Cross multiply
    6,405.16x = 9,608.82 × 2,509.60
  4. Step 4: Simplify right side
    6,405.16x = 24,114,294.67
  5. Step 5: Solve for x
    x = 24,114,294.67/6,405.16
  6. Step 6: Final answer
    x = 3,764.82

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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.