Home / 8,056.50-11,107.69-5,218.89

Finding the Fourth Proportional to 8,056.50, 11,107.69 and 5,218.89

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Solution

The fourth proportional to 8,056.50, 11,107.69 and 5,218.89 is: 7,195.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056.50 : 11,107.69 = 5,218.89 : x
  2. Step 2: Convert to fraction form
    8,056.50/11,107.69 = 5,218.89/x
  3. Step 3: Cross multiply
    8,056.50x = 11,107.69 × 5,218.89
  4. Step 4: Simplify right side
    8,056.50x = 57,969,812.26
  5. Step 5: Solve for x
    x = 57,969,812.26/8,056.50
  6. Step 6: Final answer
    x = 7,195.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.