Home / 8,423.34-12,636.26-2,722.39

Finding the Fourth Proportional to 8,423.34, 12,636.26 and 2,722.39

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Solution

The fourth proportional to 8,423.34, 12,636.26 and 2,722.39 is: 4,084.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.34 : 12,636.26 = 2,722.39 : x
  2. Step 2: Convert to fraction form
    8,423.34/12,636.26 = 2,722.39/x
  3. Step 3: Cross multiply
    8,423.34x = 12,636.26 × 2,722.39
  4. Step 4: Simplify right side
    8,423.34x = 34,400,887.80
  5. Step 5: Solve for x
    x = 34,400,887.80/8,423.34
  6. Step 6: Final answer
    x = 4,084.00

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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.