Home / 6,914.80-9,542.40-3,770.96

Finding the Fourth Proportional to 6,914.80, 9,542.40 and 3,770.96

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Solution

The fourth proportional to 6,914.80, 9,542.40 and 3,770.96 is: 5,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,914.80 : 9,542.40 = 3,770.96 : x
  2. Step 2: Convert to fraction form
    6,914.80/9,542.40 = 3,770.96/x
  3. Step 3: Cross multiply
    6,914.80x = 9,542.40 × 3,770.96
  4. Step 4: Simplify right side
    6,914.80x = 35,984,008.70
  5. Step 5: Solve for x
    x = 35,984,008.70/6,914.80
  6. Step 6: Final answer
    x = 5,203.91

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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.