Home / 6,284.20-8,672.22-3,927.70

Finding the Fourth Proportional to 6,284.20, 8,672.22 and 3,927.70

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Solution

The fourth proportional to 6,284.20, 8,672.22 and 3,927.70 is: 5,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,284.20 : 8,672.22 = 3,927.70 : x
  2. Step 2: Convert to fraction form
    6,284.20/8,672.22 = 3,927.70/x
  3. Step 3: Cross multiply
    6,284.20x = 8,672.22 × 3,927.70
  4. Step 4: Simplify right side
    6,284.20x = 34,061,878.49
  5. Step 5: Solve for x
    x = 34,061,878.49/6,284.20
  6. Step 6: Final answer
    x = 5,420.24

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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.