Home / 6,287.36-8,676.96-3,635.42

Finding the Fourth Proportional to 6,287.36, 8,676.96 and 3,635.42

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Solution

The fourth proportional to 6,287.36, 8,676.96 and 3,635.42 is: 5,017.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.36 : 8,676.96 = 3,635.42 : x
  2. Step 2: Convert to fraction form
    6,287.36/8,676.96 = 3,635.42/x
  3. Step 3: Cross multiply
    6,287.36x = 8,676.96 × 3,635.42
  4. Step 4: Simplify right side
    6,287.36x = 31,544,393.92
  5. Step 5: Solve for x
    x = 31,544,393.92/6,287.36
  6. Step 6: Final answer
    x = 5,017.11

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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.