Home / 7,825.87-11,740.55-2,895.40

Finding the Fourth Proportional to 7,825.87, 11,740.55 and 2,895.40

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Solution

The fourth proportional to 7,825.87, 11,740.55 and 2,895.40 is: 4,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.87 : 11,740.55 = 2,895.40 : x
  2. Step 2: Convert to fraction form
    7,825.87/11,740.55 = 2,895.40/x
  3. Step 3: Cross multiply
    7,825.87x = 11,740.55 × 2,895.40
  4. Step 4: Simplify right side
    7,825.87x = 33,993,522.63
  5. Step 5: Solve for x
    x = 33,993,522.63/7,825.87
  6. Step 6: Final answer
    x = 4,343.74

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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.