Home / 7,934.40-11,901.60-2,090.52

Finding the Fourth Proportional to 7,934.40, 11,901.60 and 2,090.52

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Solution

The fourth proportional to 7,934.40, 11,901.60 and 2,090.52 is: 3,135.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.40 : 11,901.60 = 2,090.52 : x
  2. Step 2: Convert to fraction form
    7,934.40/11,901.60 = 2,090.52/x
  3. Step 3: Cross multiply
    7,934.40x = 11,901.60 × 2,090.52
  4. Step 4: Simplify right side
    7,934.40x = 24,880,532.83
  5. Step 5: Solve for x
    x = 24,880,532.83/7,934.40
  6. Step 6: Final answer
    x = 3,135.78

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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.