Home / 6,910.45-9,534.72-4,220.98

Finding the Fourth Proportional to 6,910.45, 9,534.72 and 4,220.98

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Solution

The fourth proportional to 6,910.45, 9,534.72 and 4,220.98 is: 5,823.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910.45 : 9,534.72 = 4,220.98 : x
  2. Step 2: Convert to fraction form
    6,910.45/9,534.72 = 4,220.98/x
  3. Step 3: Cross multiply
    6,910.45x = 9,534.72 × 4,220.98
  4. Step 4: Simplify right side
    6,910.45x = 40,245,862.43
  5. Step 5: Solve for x
    x = 40,245,862.43/6,910.45
  6. Step 6: Final answer
    x = 5,823.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.