Home / 6,394.05-8,827.85-4,380.87

Finding the Fourth Proportional to 6,394.05, 8,827.85 and 4,380.87

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Solution

The fourth proportional to 6,394.05, 8,827.85 and 4,380.87 is: 6,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394.05 : 8,827.85 = 4,380.87 : x
  2. Step 2: Convert to fraction form
    6,394.05/8,827.85 = 4,380.87/x
  3. Step 3: Cross multiply
    6,394.05x = 8,827.85 × 4,380.87
  4. Step 4: Simplify right side
    6,394.05x = 38,673,641.33
  5. Step 5: Solve for x
    x = 38,673,641.33/6,394.05
  6. Step 6: Final answer
    x = 6,048.38

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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.