Home / 4,020.76-6,027.36-1,422.01

Finding the Fourth Proportional to 4,020.76, 6,027.36 and 1,422.01

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Solution

The fourth proportional to 4,020.76, 6,027.36 and 1,422.01 is: 2,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.76 : 6,027.36 = 1,422.01 : x
  2. Step 2: Convert to fraction form
    4,020.76/6,027.36 = 1,422.01/x
  3. Step 3: Cross multiply
    4,020.76x = 6,027.36 × 1,422.01
  4. Step 4: Simplify right side
    4,020.76x = 8,570,966.19
  5. Step 5: Solve for x
    x = 8,570,966.19/4,020.76
  6. Step 6: Final answer
    x = 2,131.68

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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.