Home / 4,079.45-6,119.23-1,157.76

Finding the Fourth Proportional to 4,079.45, 6,119.23 and 1,157.76

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Solution

The fourth proportional to 4,079.45, 6,119.23 and 1,157.76 is: 1,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.45 : 6,119.23 = 1,157.76 : x
  2. Step 2: Convert to fraction form
    4,079.45/6,119.23 = 1,157.76/x
  3. Step 3: Cross multiply
    4,079.45x = 6,119.23 × 1,157.76
  4. Step 4: Simplify right side
    4,079.45x = 7,084,578.07
  5. Step 5: Solve for x
    x = 7,084,578.07/4,079.45
  6. Step 6: Final answer
    x = 1,736.65

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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.