Home / 4,720.02-6,514.38-2,731.79

Finding the Fourth Proportional to 4,720.02, 6,514.38 and 2,731.79

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Solution

The fourth proportional to 4,720.02, 6,514.38 and 2,731.79 is: 3,770.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.02 : 6,514.38 = 2,731.79 : x
  2. Step 2: Convert to fraction form
    4,720.02/6,514.38 = 2,731.79/x
  3. Step 3: Cross multiply
    4,720.02x = 6,514.38 × 2,731.79
  4. Step 4: Simplify right side
    4,720.02x = 17,795,918.14
  5. Step 5: Solve for x
    x = 17,795,918.14/4,720.02
  6. Step 6: Final answer
    x = 3,770.31

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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.