Home / 6,229.72-8,596.50-3,871.40

Finding the Fourth Proportional to 6,229.72, 8,596.50 and 3,871.40

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Solution

The fourth proportional to 6,229.72, 8,596.50 and 3,871.40 is: 5,342.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,229.72 : 8,596.50 = 3,871.40 : x
  2. Step 2: Convert to fraction form
    6,229.72/8,596.50 = 3,871.40/x
  3. Step 3: Cross multiply
    6,229.72x = 8,596.50 × 3,871.40
  4. Step 4: Simplify right side
    6,229.72x = 33,280,490.10
  5. Step 5: Solve for x
    x = 33,280,490.10/6,229.72
  6. Step 6: Final answer
    x = 5,342.21

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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.