Home / 6,900.11-10,348.71-2,220.54

Finding the Fourth Proportional to 6,900.11, 10,348.71 and 2,220.54

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Solution

The fourth proportional to 6,900.11, 10,348.71 and 2,220.54 is: 3,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.11 : 10,348.71 = 2,220.54 : x
  2. Step 2: Convert to fraction form
    6,900.11/10,348.71 = 2,220.54/x
  3. Step 3: Cross multiply
    6,900.11x = 10,348.71 × 2,220.54
  4. Step 4: Simplify right side
    6,900.11x = 22,979,689.86
  5. Step 5: Solve for x
    x = 22,979,689.86/6,900.11
  6. Step 6: Final answer
    x = 3,330.34

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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.