Home / 7,323.42-10,986.93-2,129.34

Finding the Fourth Proportional to 7,323.42, 10,986.93 and 2,129.34

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Solution

The fourth proportional to 7,323.42, 10,986.93 and 2,129.34 is: 3,194.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.42 : 10,986.93 = 2,129.34 : x
  2. Step 2: Convert to fraction form
    7,323.42/10,986.93 = 2,129.34/x
  3. Step 3: Cross multiply
    7,323.42x = 10,986.93 × 2,129.34
  4. Step 4: Simplify right side
    7,323.42x = 23,394,909.53
  5. Step 5: Solve for x
    x = 23,394,909.53/7,323.42
  6. Step 6: Final answer
    x = 3,194.53

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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.