Home / 6,423.76-9,636.11-2,725.57

Finding the Fourth Proportional to 6,423.76, 9,636.11 and 2,725.57

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Solution

The fourth proportional to 6,423.76, 9,636.11 and 2,725.57 is: 4,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.76 : 9,636.11 = 2,725.57 : x
  2. Step 2: Convert to fraction form
    6,423.76/9,636.11 = 2,725.57/x
  3. Step 3: Cross multiply
    6,423.76x = 9,636.11 × 2,725.57
  4. Step 4: Simplify right side
    6,423.76x = 26,263,892.33
  5. Step 5: Solve for x
    x = 26,263,892.33/6,423.76
  6. Step 6: Final answer
    x = 4,088.55

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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.