Home / 7,825.71-11,740.61-2,278.94

Finding the Fourth Proportional to 7,825.71, 11,740.61 and 2,278.94

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Solution

The fourth proportional to 7,825.71, 11,740.61 and 2,278.94 is: 3,419.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.71 : 11,740.61 = 2,278.94 : x
  2. Step 2: Convert to fraction form
    7,825.71/11,740.61 = 2,278.94/x
  3. Step 3: Cross multiply
    7,825.71x = 11,740.61 × 2,278.94
  4. Step 4: Simplify right side
    7,825.71x = 26,756,092.75
  5. Step 5: Solve for x
    x = 26,756,092.75/7,825.71
  6. Step 6: Final answer
    x = 3,419.00

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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.