Home / 6,912.07-10,368.81-2,530.78

Finding the Fourth Proportional to 6,912.07, 10,368.81 and 2,530.78

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Solution

The fourth proportional to 6,912.07, 10,368.81 and 2,530.78 is: 3,796.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.07 : 10,368.81 = 2,530.78 : x
  2. Step 2: Convert to fraction form
    6,912.07/10,368.81 = 2,530.78/x
  3. Step 3: Cross multiply
    6,912.07x = 10,368.81 × 2,530.78
  4. Step 4: Simplify right side
    6,912.07x = 26,241,151.05
  5. Step 5: Solve for x
    x = 26,241,151.05/6,912.07
  6. Step 6: Final answer
    x = 3,796.43

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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.