Home / 6,887.54-10,331.53-3,280.34

Finding the Fourth Proportional to 6,887.54, 10,331.53 and 3,280.34

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Solution

The fourth proportional to 6,887.54, 10,331.53 and 3,280.34 is: 4,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.54 : 10,331.53 = 3,280.34 : x
  2. Step 2: Convert to fraction form
    6,887.54/10,331.53 = 3,280.34/x
  3. Step 3: Cross multiply
    6,887.54x = 10,331.53 × 3,280.34
  4. Step 4: Simplify right side
    6,887.54x = 33,890,914.72
  5. Step 5: Solve for x
    x = 33,890,914.72/6,887.54
  6. Step 6: Final answer
    x = 4,920.61

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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.