Home / 6,513.47-9,770.66-2,617.88

Finding the Fourth Proportional to 6,513.47, 9,770.66 and 2,617.88

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Solution

The fourth proportional to 6,513.47, 9,770.66 and 2,617.88 is: 3,926.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.47 : 9,770.66 = 2,617.88 : x
  2. Step 2: Convert to fraction form
    6,513.47/9,770.66 = 2,617.88/x
  3. Step 3: Cross multiply
    6,513.47x = 9,770.66 × 2,617.88
  4. Step 4: Simplify right side
    6,513.47x = 25,578,373.09
  5. Step 5: Solve for x
    x = 25,578,373.09/6,513.47
  6. Step 6: Final answer
    x = 3,926.99

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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.