Home / 6,287.02-8,680.57-4,519.19

Finding the Fourth Proportional to 6,287.02, 8,680.57 and 4,519.19

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Solution

The fourth proportional to 6,287.02, 8,680.57 and 4,519.19 is: 6,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.02 : 8,680.57 = 4,519.19 : x
  2. Step 2: Convert to fraction form
    6,287.02/8,680.57 = 4,519.19/x
  3. Step 3: Cross multiply
    6,287.02x = 8,680.57 × 4,519.19
  4. Step 4: Simplify right side
    6,287.02x = 39,229,155.54
  5. Step 5: Solve for x
    x = 39,229,155.54/6,287.02
  6. Step 6: Final answer
    x = 6,239.71

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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.