Home / 7,386.87-11,077.05-2,766.63

Finding the Fourth Proportional to 7,386.87, 11,077.05 and 2,766.63

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Solution

The fourth proportional to 7,386.87, 11,077.05 and 2,766.63 is: 4,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.87 : 11,077.05 = 2,766.63 : x
  2. Step 2: Convert to fraction form
    7,386.87/11,077.05 = 2,766.63/x
  3. Step 3: Cross multiply
    7,386.87x = 11,077.05 × 2,766.63
  4. Step 4: Simplify right side
    7,386.87x = 30,646,098.84
  5. Step 5: Solve for x
    x = 30,646,098.84/7,386.87
  6. Step 6: Final answer
    x = 4,148.73

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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.