Home / 5,277.84-7,919.49-2,318.36

Finding the Fourth Proportional to 5,277.84, 7,919.49 and 2,318.36

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Solution

The fourth proportional to 5,277.84, 7,919.49 and 2,318.36 is: 3,478.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.84 : 7,919.49 = 2,318.36 : x
  2. Step 2: Convert to fraction form
    5,277.84/7,919.49 = 2,318.36/x
  3. Step 3: Cross multiply
    5,277.84x = 7,919.49 × 2,318.36
  4. Step 4: Simplify right side
    5,277.84x = 18,360,233.79
  5. Step 5: Solve for x
    x = 18,360,233.79/5,277.84
  6. Step 6: Final answer
    x = 3,478.74

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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.