Home / 4,080.64-6,121.28-1,158.96

Finding the Fourth Proportional to 4,080.64, 6,121.28 and 1,158.96

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Solution

The fourth proportional to 4,080.64, 6,121.28 and 1,158.96 is: 1,738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.64 : 6,121.28 = 1,158.96 : x
  2. Step 2: Convert to fraction form
    4,080.64/6,121.28 = 1,158.96/x
  3. Step 3: Cross multiply
    4,080.64x = 6,121.28 × 1,158.96
  4. Step 4: Simplify right side
    4,080.64x = 7,094,318.67
  5. Step 5: Solve for x
    x = 7,094,318.67/4,080.64
  6. Step 6: Final answer
    x = 1,738.53

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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.