Home / 6,912.40-10,365.56-2,528.72

Finding the Fourth Proportional to 6,912.40, 10,365.56 and 2,528.72

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Solution

The fourth proportional to 6,912.40, 10,365.56 and 2,528.72 is: 3,791.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.40 : 10,365.56 = 2,528.72 : x
  2. Step 2: Convert to fraction form
    6,912.40/10,365.56 = 2,528.72/x
  3. Step 3: Cross multiply
    6,912.40x = 10,365.56 × 2,528.72
  4. Step 4: Simplify right side
    6,912.40x = 26,211,598.88
  5. Step 5: Solve for x
    x = 26,211,598.88/6,912.40
  6. Step 6: Final answer
    x = 3,791.97

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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.