Home / 6,423.00-8,863.80-3,770.45

Finding the Fourth Proportional to 6,423.00, 8,863.80 and 3,770.45

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Solution

The fourth proportional to 6,423.00, 8,863.80 and 3,770.45 is: 5,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.00 : 8,863.80 = 3,770.45 : x
  2. Step 2: Convert to fraction form
    6,423.00/8,863.80 = 3,770.45/x
  3. Step 3: Cross multiply
    6,423.00x = 8,863.80 × 3,770.45
  4. Step 4: Simplify right side
    6,423.00x = 33,420,489.49
  5. Step 5: Solve for x
    x = 33,420,489.49/6,423.00
  6. Step 6: Final answer
    x = 5,203.26

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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.