Home / 4,080.26-6,120.18-1,158.18

Finding the Fourth Proportional to 4,080.26, 6,120.18 and 1,158.18

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Solution

The fourth proportional to 4,080.26, 6,120.18 and 1,158.18 is: 1,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.26 : 6,120.18 = 1,158.18 : x
  2. Step 2: Convert to fraction form
    4,080.26/6,120.18 = 1,158.18/x
  3. Step 3: Cross multiply
    4,080.26x = 6,120.18 × 1,158.18
  4. Step 4: Simplify right side
    4,080.26x = 7,088,270.07
  5. Step 5: Solve for x
    x = 7,088,270.07/4,080.26
  6. Step 6: Final answer
    x = 1,737.21

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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.