Home / 6,297.15-8,690.36-3,644.05

Finding the Fourth Proportional to 6,297.15, 8,690.36 and 3,644.05

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Solution

The fourth proportional to 6,297.15, 8,690.36 and 3,644.05 is: 5,028.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,297.15 : 8,690.36 = 3,644.05 : x
  2. Step 2: Convert to fraction form
    6,297.15/8,690.36 = 3,644.05/x
  3. Step 3: Cross multiply
    6,297.15x = 8,690.36 × 3,644.05
  4. Step 4: Simplify right side
    6,297.15x = 31,668,106.36
  5. Step 5: Solve for x
    x = 31,668,106.36/6,297.15
  6. Step 6: Final answer
    x = 5,028.96

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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.