Home / 6,509.45-9,765.18-2,125.88

Finding the Fourth Proportional to 6,509.45, 9,765.18 and 2,125.88

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Solution

The fourth proportional to 6,509.45, 9,765.18 and 2,125.88 is: 3,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,509.45 : 9,765.18 = 2,125.88 : x
  2. Step 2: Convert to fraction form
    6,509.45/9,765.18 = 2,125.88/x
  3. Step 3: Cross multiply
    6,509.45x = 9,765.18 × 2,125.88
  4. Step 4: Simplify right side
    6,509.45x = 20,759,552.03
  5. Step 5: Solve for x
    x = 20,759,552.03/6,509.45
  6. Step 6: Final answer
    x = 3,189.14

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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.