Home / 7,339.03-11,007.32-2,143.69

Finding the Fourth Proportional to 7,339.03, 11,007.32 and 2,143.69

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Solution

The fourth proportional to 7,339.03, 11,007.32 and 2,143.69 is: 3,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.03 : 11,007.32 = 2,143.69 : x
  2. Step 2: Convert to fraction form
    7,339.03/11,007.32 = 2,143.69/x
  3. Step 3: Cross multiply
    7,339.03x = 11,007.32 × 2,143.69
  4. Step 4: Simplify right side
    7,339.03x = 23,596,243.57
  5. Step 5: Solve for x
    x = 23,596,243.57/7,339.03
  6. Step 6: Final answer
    x = 3,215.17

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1.5x scale

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.