Home / 7,850.40-10,831.23-6,522

Finding the Fourth Proportional to 7,850.40, 10,831.23 and 6,522

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Solution

The fourth proportional to 7,850.40, 10,831.23 and 6,522 is: 8,998.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.40 : 10,831.23 = 6,522 : x
  2. Step 2: Convert to fraction form
    7,850.40/10,831.23 = 6,522/x
  3. Step 3: Cross multiply
    7,850.40x = 10,831.23 × 6,522
  4. Step 4: Simplify right side
    7,850.40x = 70,641,282.06
  5. Step 5: Solve for x
    x = 70,641,282.06/7,850.40
  6. Step 6: Final answer
    x = 8,998.43

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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.