Home / 6,423.87-8,865.01-3,771.33

Finding the Fourth Proportional to 6,423.87, 8,865.01 and 3,771.33

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Solution

The fourth proportional to 6,423.87, 8,865.01 and 3,771.33 is: 5,204.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.87 : 8,865.01 = 3,771.33 : x
  2. Step 2: Convert to fraction form
    6,423.87/8,865.01 = 3,771.33/x
  3. Step 3: Cross multiply
    6,423.87x = 8,865.01 × 3,771.33
  4. Step 4: Simplify right side
    6,423.87x = 33,432,814.98
  5. Step 5: Solve for x
    x = 33,432,814.98/6,423.87
  6. Step 6: Final answer
    x = 5,204.46

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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.