Home / 7,621.52-11,433.48-3,239

Finding the Fourth Proportional to 7,621.52, 11,433.48 and 3,239

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Solution

The fourth proportional to 7,621.52, 11,433.48 and 3,239 is: 4,859.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.52 : 11,433.48 = 3,239 : x
  2. Step 2: Convert to fraction form
    7,621.52/11,433.48 = 3,239/x
  3. Step 3: Cross multiply
    7,621.52x = 11,433.48 × 3,239
  4. Step 4: Simplify right side
    7,621.52x = 37,033,041.72
  5. Step 5: Solve for x
    x = 37,033,041.72/7,621.52
  6. Step 6: Final answer
    x = 4,859.01

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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.