Home / 7,019.87-10,526.52-2,576.43

Finding the Fourth Proportional to 7,019.87, 10,526.52 and 2,576.43

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Solution

The fourth proportional to 7,019.87, 10,526.52 and 2,576.43 is: 3,863.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.87 : 10,526.52 = 2,576.43 : x
  2. Step 2: Convert to fraction form
    7,019.87/10,526.52 = 2,576.43/x
  3. Step 3: Cross multiply
    7,019.87x = 10,526.52 × 2,576.43
  4. Step 4: Simplify right side
    7,019.87x = 27,120,841.92
  5. Step 5: Solve for x
    x = 27,120,841.92/7,019.87
  6. Step 6: Final answer
    x = 3,863.44

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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.