Home / 4,110.24-6,164.80-3,421.28

Finding the Fourth Proportional to 4,110.24, 6,164.80 and 3,421.28

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Solution

The fourth proportional to 4,110.24, 6,164.80 and 3,421.28 is: 5,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,110.24 : 6,164.80 = 3,421.28 : x
  2. Step 2: Convert to fraction form
    4,110.24/6,164.80 = 3,421.28/x
  3. Step 3: Cross multiply
    4,110.24x = 6,164.80 × 3,421.28
  4. Step 4: Simplify right side
    4,110.24x = 21,091,506.94
  5. Step 5: Solve for x
    x = 21,091,506.94/4,110.24
  6. Step 6: Final answer
    x = 5,131.45

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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.