Home / 4,015-6,020.30-2,259.28

Finding the Fourth Proportional to 4,015, 6,020.30 and 2,259.28

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Solution

The fourth proportional to 4,015, 6,020.30 and 2,259.28 is: 3,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015 : 6,020.30 = 2,259.28 : x
  2. Step 2: Convert to fraction form
    4,015/6,020.30 = 2,259.28/x
  3. Step 3: Cross multiply
    4,015x = 6,020.30 × 2,259.28
  4. Step 4: Simplify right side
    4,015x = 13,601,543.38
  5. Step 5: Solve for x
    x = 13,601,543.38/4,015
  6. Step 6: Final answer
    x = 3,387.68

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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.