Home / 6,423.56-8,863.80-3,629.06

Finding the Fourth Proportional to 6,423.56, 8,863.80 and 3,629.06

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Solution

The fourth proportional to 6,423.56, 8,863.80 and 3,629.06 is: 5,007.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.56 : 8,863.80 = 3,629.06 : x
  2. Step 2: Convert to fraction form
    6,423.56/8,863.80 = 3,629.06/x
  3. Step 3: Cross multiply
    6,423.56x = 8,863.80 × 3,629.06
  4. Step 4: Simplify right side
    6,423.56x = 32,167,262.03
  5. Step 5: Solve for x
    x = 32,167,262.03/6,423.56
  6. Step 6: Final answer
    x = 5,007.70

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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.