Home / 6,380.91-8,805.58-3,586.41

Finding the Fourth Proportional to 6,380.91, 8,805.58 and 3,586.41

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Solution

The fourth proportional to 6,380.91, 8,805.58 and 3,586.41 is: 4,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380.91 : 8,805.58 = 3,586.41 : x
  2. Step 2: Convert to fraction form
    6,380.91/8,805.58 = 3,586.41/x
  3. Step 3: Cross multiply
    6,380.91x = 8,805.58 × 3,586.41
  4. Step 4: Simplify right side
    6,380.91x = 31,580,411.20
  5. Step 5: Solve for x
    x = 31,580,411.20/6,380.91
  6. Step 6: Final answer
    x = 4,949.20

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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.