Home / 6,423.89-8,866.44-4,181.85

Finding the Fourth Proportional to 6,423.89, 8,866.44 and 4,181.85

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Solution

The fourth proportional to 6,423.89, 8,866.44 and 4,181.85 is: 5,771.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.89 : 8,866.44 = 4,181.85 : x
  2. Step 2: Convert to fraction form
    6,423.89/8,866.44 = 4,181.85/x
  3. Step 3: Cross multiply
    6,423.89x = 8,866.44 × 4,181.85
  4. Step 4: Simplify right side
    6,423.89x = 37,078,155.36
  5. Step 5: Solve for x
    x = 37,078,155.36/6,423.89
  6. Step 6: Final answer
    x = 5,771.92

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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.