Home / 7,323.84-10,988.04-2,129.73

Finding the Fourth Proportional to 7,323.84, 10,988.04 and 2,129.73

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Solution

The fourth proportional to 7,323.84, 10,988.04 and 2,129.73 is: 3,195.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.84 : 10,988.04 = 2,129.73 : x
  2. Step 2: Convert to fraction form
    7,323.84/10,988.04 = 2,129.73/x
  3. Step 3: Cross multiply
    7,323.84x = 10,988.04 × 2,129.73
  4. Step 4: Simplify right side
    7,323.84x = 23,401,558.43
  5. Step 5: Solve for x
    x = 23,401,558.43/7,323.84
  6. Step 6: Final answer
    x = 3,195.26

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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.