Home / 4,335.12-5,979.90-2,657.28

Finding the Fourth Proportional to 4,335.12, 5,979.90 and 2,657.28

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Solution

The fourth proportional to 4,335.12, 5,979.90 and 2,657.28 is: 3,665.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,335.12 : 5,979.90 = 2,657.28 : x
  2. Step 2: Convert to fraction form
    4,335.12/5,979.90 = 2,657.28/x
  3. Step 3: Cross multiply
    4,335.12x = 5,979.90 × 2,657.28
  4. Step 4: Simplify right side
    4,335.12x = 15,890,268.67
  5. Step 5: Solve for x
    x = 15,890,268.67/4,335.12
  6. Step 6: Final answer
    x = 3,665.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.