Home / 6,287.37-8,676.15-3,454.19

Finding the Fourth Proportional to 6,287.37, 8,676.15 and 3,454.19

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Solution

The fourth proportional to 6,287.37, 8,676.15 and 3,454.19 is: 4,766.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.37 : 8,676.15 = 3,454.19 : x
  2. Step 2: Convert to fraction form
    6,287.37/8,676.15 = 3,454.19/x
  3. Step 3: Cross multiply
    6,287.37x = 8,676.15 × 3,454.19
  4. Step 4: Simplify right side
    6,287.37x = 29,969,070.57
  5. Step 5: Solve for x
    x = 29,969,070.57/6,287.37
  6. Step 6: Final answer
    x = 4,766.55

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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.