Home / 8,423.44-12,626.27-3,155.01

Finding the Fourth Proportional to 8,423.44, 12,626.27 and 3,155.01

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Solution

The fourth proportional to 8,423.44, 12,626.27 and 3,155.01 is: 4,729.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.44 : 12,626.27 = 3,155.01 : x
  2. Step 2: Convert to fraction form
    8,423.44/12,626.27 = 3,155.01/x
  3. Step 3: Cross multiply
    8,423.44x = 12,626.27 × 3,155.01
  4. Step 4: Simplify right side
    8,423.44x = 39,836,016.00
  5. Step 5: Solve for x
    x = 39,836,016.00/8,423.44
  6. Step 6: Final answer
    x = 4,729.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.