Home / 4,027.70-6,042.69-1,430.90

Finding the Fourth Proportional to 4,027.70, 6,042.69 and 1,430.90

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Solution

The fourth proportional to 4,027.70, 6,042.69 and 1,430.90 is: 2,146.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,027.70 : 6,042.69 = 1,430.90 : x
  2. Step 2: Convert to fraction form
    4,027.70/6,042.69 = 1,430.90/x
  3. Step 3: Cross multiply
    4,027.70x = 6,042.69 × 1,430.90
  4. Step 4: Simplify right side
    4,027.70x = 8,646,485.12
  5. Step 5: Solve for x
    x = 8,646,485.12/4,027.70
  6. Step 6: Final answer
    x = 2,146.76

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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.