Home / 4,080.62-6,120.68-1,158.81

Finding the Fourth Proportional to 4,080.62, 6,120.68 and 1,158.81

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Solution

The fourth proportional to 4,080.62, 6,120.68 and 1,158.81 is: 1,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.62 : 6,120.68 = 1,158.81 : x
  2. Step 2: Convert to fraction form
    4,080.62/6,120.68 = 1,158.81/x
  3. Step 3: Cross multiply
    4,080.62x = 6,120.68 × 1,158.81
  4. Step 4: Simplify right side
    4,080.62x = 7,092,699.40
  5. Step 5: Solve for x
    x = 7,092,699.40/4,080.62
  6. Step 6: Final answer
    x = 1,738.14

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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.