Home / 6,127-9,178.89-3,620.69

Finding the Fourth Proportional to 6,127, 9,178.89 and 3,620.69

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Solution

The fourth proportional to 6,127, 9,178.89 and 3,620.69 is: 5,424.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127 : 9,178.89 = 3,620.69 : x
  2. Step 2: Convert to fraction form
    6,127/9,178.89 = 3,620.69/x
  3. Step 3: Cross multiply
    6,127x = 9,178.89 × 3,620.69
  4. Step 4: Simplify right side
    6,127x = 33,233,915.23
  5. Step 5: Solve for x
    x = 33,233,915.23/6,127
  6. Step 6: Final answer
    x = 5,424.17

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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.