Home / 7,558.66-11,340.03-2,628.57

Finding the Fourth Proportional to 7,558.66, 11,340.03 and 2,628.57

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Solution

The fourth proportional to 7,558.66, 11,340.03 and 2,628.57 is: 3,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.66 : 11,340.03 = 2,628.57 : x
  2. Step 2: Convert to fraction form
    7,558.66/11,340.03 = 2,628.57/x
  3. Step 3: Cross multiply
    7,558.66x = 11,340.03 × 2,628.57
  4. Step 4: Simplify right side
    7,558.66x = 29,808,115.04
  5. Step 5: Solve for x
    x = 29,808,115.04/7,558.66
  6. Step 6: Final answer
    x = 3,943.57

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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.