Home / 6,290.15-8,679.71-3,772.36

Finding the Fourth Proportional to 6,290.15, 8,679.71 and 3,772.36

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Solution

The fourth proportional to 6,290.15, 8,679.71 and 3,772.36 is: 5,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.15 : 8,679.71 = 3,772.36 : x
  2. Step 2: Convert to fraction form
    6,290.15/8,679.71 = 3,772.36/x
  3. Step 3: Cross multiply
    6,290.15x = 8,679.71 × 3,772.36
  4. Step 4: Simplify right side
    6,290.15x = 32,743,014.29
  5. Step 5: Solve for x
    x = 32,743,014.29/6,290.15
  6. Step 6: Final answer
    x = 5,205.44

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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.