Home / 6,825.42-9,420.03-5,704.56

Finding the Fourth Proportional to 6,825.42, 9,420.03 and 5,704.56

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Solution

The fourth proportional to 6,825.42, 9,420.03 and 5,704.56 is: 7,873.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,825.42 : 9,420.03 = 5,704.56 : x
  2. Step 2: Convert to fraction form
    6,825.42/9,420.03 = 5,704.56/x
  3. Step 3: Cross multiply
    6,825.42x = 9,420.03 × 5,704.56
  4. Step 4: Simplify right side
    6,825.42x = 53,737,126.34
  5. Step 5: Solve for x
    x = 53,737,126.34/6,825.42
  6. Step 6: Final answer
    x = 7,873.09

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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.