Home / 7,657.59-11,479.09-2,459.82

Finding the Fourth Proportional to 7,657.59, 11,479.09 and 2,459.82

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Solution

The fourth proportional to 7,657.59, 11,479.09 and 2,459.82 is: 3,687.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657.59 : 11,479.09 = 2,459.82 : x
  2. Step 2: Convert to fraction form
    7,657.59/11,479.09 = 2,459.82/x
  3. Step 3: Cross multiply
    7,657.59x = 11,479.09 × 2,459.82
  4. Step 4: Simplify right side
    7,657.59x = 28,236,425.47
  5. Step 5: Solve for x
    x = 28,236,425.47/7,657.59
  6. Step 6: Final answer
    x = 3,687.38

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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.