Home / 9,321.64-13,979.52-3,080.24

Finding the Fourth Proportional to 9,321.64, 13,979.52 and 3,080.24

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Solution

The fourth proportional to 9,321.64, 13,979.52 and 3,080.24 is: 4,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.64 : 13,979.52 = 3,080.24 : x
  2. Step 2: Convert to fraction form
    9,321.64/13,979.52 = 3,080.24/x
  3. Step 3: Cross multiply
    9,321.64x = 13,979.52 × 3,080.24
  4. Step 4: Simplify right side
    9,321.64x = 43,060,276.68
  5. Step 5: Solve for x
    x = 43,060,276.68/9,321.64
  6. Step 6: Final answer
    x = 4,619.39

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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.