Home / 7,485.24-11,221.38-2,865

Finding the Fourth Proportional to 7,485.24, 11,221.38 and 2,865

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Solution

The fourth proportional to 7,485.24, 11,221.38 and 2,865 is: 4,295.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.24 : 11,221.38 = 2,865 : x
  2. Step 2: Convert to fraction form
    7,485.24/11,221.38 = 2,865/x
  3. Step 3: Cross multiply
    7,485.24x = 11,221.38 × 2,865
  4. Step 4: Simplify right side
    7,485.24x = 32,149,253.70
  5. Step 5: Solve for x
    x = 32,149,253.70/7,485.24
  6. Step 6: Final answer
    x = 4,295.02

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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.