Home / 4,719.87-6,514.23-2,731.64

Finding the Fourth Proportional to 4,719.87, 6,514.23 and 2,731.64

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Solution

The fourth proportional to 4,719.87, 6,514.23 and 2,731.64 is: 3,770.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.87 : 6,514.23 = 2,731.64 : x
  2. Step 2: Convert to fraction form
    4,719.87/6,514.23 = 2,731.64/x
  3. Step 3: Cross multiply
    4,719.87x = 6,514.23 × 2,731.64
  4. Step 4: Simplify right side
    4,719.87x = 17,794,498.67
  5. Step 5: Solve for x
    x = 17,794,498.67/4,719.87
  6. Step 6: Final answer
    x = 3,770.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.