Home / 7,664.60-11,500.14-3,284.12

Finding the Fourth Proportional to 7,664.60, 11,500.14 and 3,284.12

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Solution

The fourth proportional to 7,664.60, 11,500.14 and 3,284.12 is: 4,927.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.60 : 11,500.14 = 3,284.12 : x
  2. Step 2: Convert to fraction form
    7,664.60/11,500.14 = 3,284.12/x
  3. Step 3: Cross multiply
    7,664.60x = 11,500.14 × 3,284.12
  4. Step 4: Simplify right side
    7,664.60x = 37,767,880.84
  5. Step 5: Solve for x
    x = 37,767,880.84/7,664.60
  6. Step 6: Final answer
    x = 4,927.57

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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.