Home / 6,951.48-10,423.80-3,989.46

Finding the Fourth Proportional to 6,951.48, 10,423.80 and 3,989.46

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Solution

The fourth proportional to 6,951.48, 10,423.80 and 3,989.46 is: 5,982.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951.48 : 10,423.80 = 3,989.46 : x
  2. Step 2: Convert to fraction form
    6,951.48/10,423.80 = 3,989.46/x
  3. Step 3: Cross multiply
    6,951.48x = 10,423.80 × 3,989.46
  4. Step 4: Simplify right side
    6,951.48x = 41,585,333.15
  5. Step 5: Solve for x
    x = 41,585,333.15/6,951.48
  6. Step 6: Final answer
    x = 5,982.23

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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.