Home / 7,825.17-11,737.38-2,278.38

Finding the Fourth Proportional to 7,825.17, 11,737.38 and 2,278.38

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Solution

The fourth proportional to 7,825.17, 11,737.38 and 2,278.38 is: 3,417.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.17 : 11,737.38 = 2,278.38 : x
  2. Step 2: Convert to fraction form
    7,825.17/11,737.38 = 2,278.38/x
  3. Step 3: Cross multiply
    7,825.17x = 11,737.38 × 2,278.38
  4. Step 4: Simplify right side
    7,825.17x = 26,742,211.84
  5. Step 5: Solve for x
    x = 26,742,211.84/7,825.17
  6. Step 6: Final answer
    x = 3,417.46

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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.