Home / 6,757.16-10,135.76-3,980.53

Finding the Fourth Proportional to 6,757.16, 10,135.76 and 3,980.53

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Solution

The fourth proportional to 6,757.16, 10,135.76 and 3,980.53 is: 5,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,757.16 : 10,135.76 = 3,980.53 : x
  2. Step 2: Convert to fraction form
    6,757.16/10,135.76 = 3,980.53/x
  3. Step 3: Cross multiply
    6,757.16x = 10,135.76 × 3,980.53
  4. Step 4: Simplify right side
    6,757.16x = 40,345,696.75
  5. Step 5: Solve for x
    x = 40,345,696.75/6,757.16
  6. Step 6: Final answer
    x = 5,970.81

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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.