Home / 5,080.12-7,601.12-4,203.04

Finding the Fourth Proportional to 5,080.12, 7,601.12 and 4,203.04

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Solution

The fourth proportional to 5,080.12, 7,601.12 and 4,203.04 is: 6,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.12 : 7,601.12 = 4,203.04 : x
  2. Step 2: Convert to fraction form
    5,080.12/7,601.12 = 4,203.04/x
  3. Step 3: Cross multiply
    5,080.12x = 7,601.12 × 4,203.04
  4. Step 4: Simplify right side
    5,080.12x = 31,947,825.04
  5. Step 5: Solve for x
    x = 31,947,825.04/5,080.12
  6. Step 6: Final answer
    x = 6,288.80

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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.