Home / 4,002.45-6,002.91-1,080.02

Finding the Fourth Proportional to 4,002.45, 6,002.91 and 1,080.02

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Solution

The fourth proportional to 4,002.45, 6,002.91 and 1,080.02 is: 1,619.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.45 : 6,002.91 = 1,080.02 : x
  2. Step 2: Convert to fraction form
    4,002.45/6,002.91 = 1,080.02/x
  3. Step 3: Cross multiply
    4,002.45x = 6,002.91 × 1,080.02
  4. Step 4: Simplify right side
    4,002.45x = 6,483,232.84
  5. Step 5: Solve for x
    x = 6,483,232.84/4,002.45
  6. Step 6: Final answer
    x = 1,619.82

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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.