Home / 4,335.30-6,490.19-2,686.55

Finding the Fourth Proportional to 4,335.30, 6,490.19 and 2,686.55

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Solution

The fourth proportional to 4,335.30, 6,490.19 and 2,686.55 is: 4,021.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,335.30 : 6,490.19 = 2,686.55 : x
  2. Step 2: Convert to fraction form
    4,335.30/6,490.19 = 2,686.55/x
  3. Step 3: Cross multiply
    4,335.30x = 6,490.19 × 2,686.55
  4. Step 4: Simplify right side
    4,335.30x = 17,436,174.06
  5. Step 5: Solve for x
    x = 17,436,174.06/4,335.30
  6. Step 6: Final answer
    x = 4,021.91

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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.