Home / 4,326.13-6,485.05-2,761.72

Finding the Fourth Proportional to 4,326.13, 6,485.05 and 2,761.72

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Solution

The fourth proportional to 4,326.13, 6,485.05 and 2,761.72 is: 4,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,326.13 : 6,485.05 = 2,761.72 : x
  2. Step 2: Convert to fraction form
    4,326.13/6,485.05 = 2,761.72/x
  3. Step 3: Cross multiply
    4,326.13x = 6,485.05 × 2,761.72
  4. Step 4: Simplify right side
    4,326.13x = 17,909,892.29
  5. Step 5: Solve for x
    x = 17,909,892.29/4,326.13
  6. Step 6: Final answer
    x = 4,139.93

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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.