Home / 6,124.50-9,186.75-3,388.50

Finding the Fourth Proportional to 6,124.50, 9,186.75 and 3,388.50

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Solution

The fourth proportional to 6,124.50, 9,186.75 and 3,388.50 is: 5,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124.50 : 9,186.75 = 3,388.50 : x
  2. Step 2: Convert to fraction form
    6,124.50/9,186.75 = 3,388.50/x
  3. Step 3: Cross multiply
    6,124.50x = 9,186.75 × 3,388.50
  4. Step 4: Simplify right side
    6,124.50x = 31,129,302.38
  5. Step 5: Solve for x
    x = 31,129,302.38/6,124.50
  6. Step 6: Final answer
    x = 5,082.75

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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.