Home / 7,934.36-11,901.20-2,090.84

Finding the Fourth Proportional to 7,934.36, 11,901.20 and 2,090.84

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Solution

The fourth proportional to 7,934.36, 11,901.20 and 2,090.84 is: 3,136.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.36 : 11,901.20 = 2,090.84 : x
  2. Step 2: Convert to fraction form
    7,934.36/11,901.20 = 2,090.84/x
  3. Step 3: Cross multiply
    7,934.36x = 11,901.20 × 2,090.84
  4. Step 4: Simplify right side
    7,934.36x = 24,883,505.01
  5. Step 5: Solve for x
    x = 24,883,505.01/7,934.36
  6. Step 6: Final answer
    x = 3,136.17

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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.