Home / 7,934.09-11,903.67-2,388.02

Finding the Fourth Proportional to 7,934.09, 11,903.67 and 2,388.02

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Solution

The fourth proportional to 7,934.09, 11,903.67 and 2,388.02 is: 3,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.09 : 11,903.67 = 2,388.02 : x
  2. Step 2: Convert to fraction form
    7,934.09/11,903.67 = 2,388.02/x
  3. Step 3: Cross multiply
    7,934.09x = 11,903.67 × 2,388.02
  4. Step 4: Simplify right side
    7,934.09x = 28,426,231.79
  5. Step 5: Solve for x
    x = 28,426,231.79/7,934.09
  6. Step 6: Final answer
    x = 3,582.80

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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.