Home / 7,368.35-11,054.49-2,688.79

Finding the Fourth Proportional to 7,368.35, 11,054.49 and 2,688.79

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Solution

The fourth proportional to 7,368.35, 11,054.49 and 2,688.79 is: 4,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.35 : 11,054.49 = 2,688.79 : x
  2. Step 2: Convert to fraction form
    7,368.35/11,054.49 = 2,688.79/x
  3. Step 3: Cross multiply
    7,368.35x = 11,054.49 × 2,688.79
  4. Step 4: Simplify right side
    7,368.35x = 29,723,202.17
  5. Step 5: Solve for x
    x = 29,723,202.17/7,368.35
  6. Step 6: Final answer
    x = 4,033.90

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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.