Home / 7,968.42-11,952.63-2,421.81

Finding the Fourth Proportional to 7,968.42, 11,952.63 and 2,421.81

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Solution

The fourth proportional to 7,968.42, 11,952.63 and 2,421.81 is: 3,632.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.42 : 11,952.63 = 2,421.81 : x
  2. Step 2: Convert to fraction form
    7,968.42/11,952.63 = 2,421.81/x
  3. Step 3: Cross multiply
    7,968.42x = 11,952.63 × 2,421.81
  4. Step 4: Simplify right side
    7,968.42x = 28,946,998.86
  5. Step 5: Solve for x
    x = 28,946,998.86/7,968.42
  6. Step 6: Final answer
    x = 3,632.72

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Similar ratio
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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.