Home / 4,080.29-6,120.42-1,158.21

Finding the Fourth Proportional to 4,080.29, 6,120.42 and 1,158.21

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Solution

The fourth proportional to 4,080.29, 6,120.42 and 1,158.21 is: 1,737.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.29 : 6,120.42 = 1,158.21 : x
  2. Step 2: Convert to fraction form
    4,080.29/6,120.42 = 1,158.21/x
  3. Step 3: Cross multiply
    4,080.29x = 6,120.42 × 1,158.21
  4. Step 4: Simplify right side
    4,080.29x = 7,088,731.65
  5. Step 5: Solve for x
    x = 7,088,731.65/4,080.29
  6. Step 6: Final answer
    x = 1,737.31

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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.