Home / 4,265.82-6,389.13-3,172.06

Finding the Fourth Proportional to 4,265.82, 6,389.13 and 3,172.06

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Solution

The fourth proportional to 4,265.82, 6,389.13 and 3,172.06 is: 4,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.82 : 6,389.13 = 3,172.06 : x
  2. Step 2: Convert to fraction form
    4,265.82/6,389.13 = 3,172.06/x
  3. Step 3: Cross multiply
    4,265.82x = 6,389.13 × 3,172.06
  4. Step 4: Simplify right side
    4,265.82x = 20,266,703.71
  5. Step 5: Solve for x
    x = 20,266,703.71/4,265.82
  6. Step 6: Final answer
    x = 4,750.95

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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.