Home / 5,475.61-8,218.61-3,389.30

Finding the Fourth Proportional to 5,475.61, 8,218.61 and 3,389.30

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Solution

The fourth proportional to 5,475.61, 8,218.61 and 3,389.30 is: 5,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.61 : 8,218.61 = 3,389.30 : x
  2. Step 2: Convert to fraction form
    5,475.61/8,218.61 = 3,389.30/x
  3. Step 3: Cross multiply
    5,475.61x = 8,218.61 × 3,389.30
  4. Step 4: Simplify right side
    5,475.61x = 27,855,334.87
  5. Step 5: Solve for x
    x = 27,855,334.87/5,475.61
  6. Step 6: Final answer
    x = 5,087.17

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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.