Home / 7,281.26-10,922.30-2,087

Finding the Fourth Proportional to 7,281.26, 10,922.30 and 2,087

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Solution

The fourth proportional to 7,281.26, 10,922.30 and 2,087 is: 3,130.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.26 : 10,922.30 = 2,087 : x
  2. Step 2: Convert to fraction form
    7,281.26/10,922.30 = 2,087/x
  3. Step 3: Cross multiply
    7,281.26x = 10,922.30 × 2,087
  4. Step 4: Simplify right side
    7,281.26x = 22,794,840.10
  5. Step 5: Solve for x
    x = 22,794,840.10/7,281.26
  6. Step 6: Final answer
    x = 3,130.62

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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.