Home / 6,140.76-9,213.42-3,677.34

Finding the Fourth Proportional to 6,140.76, 9,213.42 and 3,677.34

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Solution

The fourth proportional to 6,140.76, 9,213.42 and 3,677.34 is: 5,517.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.76 : 9,213.42 = 3,677.34 : x
  2. Step 2: Convert to fraction form
    6,140.76/9,213.42 = 3,677.34/x
  3. Step 3: Cross multiply
    6,140.76x = 9,213.42 × 3,677.34
  4. Step 4: Simplify right side
    6,140.76x = 33,880,877.90
  5. Step 5: Solve for x
    x = 33,880,877.90/6,140.76
  6. Step 6: Final answer
    x = 5,517.38

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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.