Home / 4,080.31-6,121.51-1,158.64

Finding the Fourth Proportional to 4,080.31, 6,121.51 and 1,158.64

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Solution

The fourth proportional to 4,080.31, 6,121.51 and 1,158.64 is: 1,738.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.31 : 6,121.51 = 1,158.64 : x
  2. Step 2: Convert to fraction form
    4,080.31/6,121.51 = 1,158.64/x
  3. Step 3: Cross multiply
    4,080.31x = 6,121.51 × 1,158.64
  4. Step 4: Simplify right side
    4,080.31x = 7,092,608.15
  5. Step 5: Solve for x
    x = 7,092,608.15/4,080.31
  6. Step 6: Final answer
    x = 1,738.25

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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.