Home / 4,027.20-6,040.80-1,253.13

Finding the Fourth Proportional to 4,027.20, 6,040.80 and 1,253.13

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Solution

The fourth proportional to 4,027.20, 6,040.80 and 1,253.13 is: 1,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,027.20 : 6,040.80 = 1,253.13 : x
  2. Step 2: Convert to fraction form
    4,027.20/6,040.80 = 1,253.13/x
  3. Step 3: Cross multiply
    4,027.20x = 6,040.80 × 1,253.13
  4. Step 4: Simplify right side
    4,027.20x = 7,569,907.70
  5. Step 5: Solve for x
    x = 7,569,907.70/4,027.20
  6. Step 6: Final answer
    x = 1,879.70

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1.5x scale

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.