Home / 7,825.34-11,737.68-2,278.56

Finding the Fourth Proportional to 7,825.34, 11,737.68 and 2,278.56

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Solution

The fourth proportional to 7,825.34, 11,737.68 and 2,278.56 is: 3,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.34 : 11,737.68 = 2,278.56 : x
  2. Step 2: Convert to fraction form
    7,825.34/11,737.68 = 2,278.56/x
  3. Step 3: Cross multiply
    7,825.34x = 11,737.68 × 2,278.56
  4. Step 4: Simplify right side
    7,825.34x = 26,745,008.14
  5. Step 5: Solve for x
    x = 26,745,008.14/7,825.34
  6. Step 6: Final answer
    x = 3,417.74

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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.