Home / 4,080.32-6,115.40-1,480.40

Finding the Fourth Proportional to 4,080.32, 6,115.40 and 1,480.40

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Solution

The fourth proportional to 4,080.32, 6,115.40 and 1,480.40 is: 2,218.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.32 : 6,115.40 = 1,480.40 : x
  2. Step 2: Convert to fraction form
    4,080.32/6,115.40 = 1,480.40/x
  3. Step 3: Cross multiply
    4,080.32x = 6,115.40 × 1,480.40
  4. Step 4: Simplify right side
    4,080.32x = 9,053,238.16
  5. Step 5: Solve for x
    x = 9,053,238.16/4,080.32
  6. Step 6: Final answer
    x = 2,218.76

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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.