Home / 5,184.50-7,776.75-1,536.50

Finding the Fourth Proportional to 5,184.50, 7,776.75 and 1,536.50

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Solution

The fourth proportional to 5,184.50, 7,776.75 and 1,536.50 is: 2,304.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.50 : 7,776.75 = 1,536.50 : x
  2. Step 2: Convert to fraction form
    5,184.50/7,776.75 = 1,536.50/x
  3. Step 3: Cross multiply
    5,184.50x = 7,776.75 × 1,536.50
  4. Step 4: Simplify right side
    5,184.50x = 11,948,976.38
  5. Step 5: Solve for x
    x = 11,948,976.38/5,184.50
  6. Step 6: Final answer
    x = 2,304.75

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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.