Home / 4,002.42-6,002.28-1,405.02

Finding the Fourth Proportional to 4,002.42, 6,002.28 and 1,405.02

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Solution

The fourth proportional to 4,002.42, 6,002.28 and 1,405.02 is: 2,107.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.42 : 6,002.28 = 1,405.02 : x
  2. Step 2: Convert to fraction form
    4,002.42/6,002.28 = 1,405.02/x
  3. Step 3: Cross multiply
    4,002.42x = 6,002.28 × 1,405.02
  4. Step 4: Simplify right side
    4,002.42x = 8,433,323.45
  5. Step 5: Solve for x
    x = 8,433,323.45/4,002.42
  6. Step 6: Final answer
    x = 2,107.06

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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.