Home / 4,264.23-6,390.51-2,179.86

Finding the Fourth Proportional to 4,264.23, 6,390.51 and 2,179.86

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Solution

The fourth proportional to 4,264.23, 6,390.51 and 2,179.86 is: 3,266.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,264.23 : 6,390.51 = 2,179.86 : x
  2. Step 2: Convert to fraction form
    4,264.23/6,390.51 = 2,179.86/x
  3. Step 3: Cross multiply
    4,264.23x = 6,390.51 × 2,179.86
  4. Step 4: Simplify right side
    4,264.23x = 13,930,417.13
  5. Step 5: Solve for x
    x = 13,930,417.13/4,264.23
  6. Step 6: Final answer
    x = 3,266.81

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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.