Home / 6,246.90-8,621.21-3,558.23

Finding the Fourth Proportional to 6,246.90, 8,621.21 and 3,558.23

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Solution

The fourth proportional to 6,246.90, 8,621.21 and 3,558.23 is: 4,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.90 : 8,621.21 = 3,558.23 : x
  2. Step 2: Convert to fraction form
    6,246.90/8,621.21 = 3,558.23/x
  3. Step 3: Cross multiply
    6,246.90x = 8,621.21 × 3,558.23
  4. Step 4: Simplify right side
    6,246.90x = 30,676,187.16
  5. Step 5: Solve for x
    x = 30,676,187.16/6,246.90
  6. Step 6: Final answer
    x = 4,910.63

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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.