Home / 8,140.14-11,233.22-4,783.28

Finding the Fourth Proportional to 8,140.14, 11,233.22 and 4,783.28

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Solution

The fourth proportional to 8,140.14, 11,233.22 and 4,783.28 is: 6,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.14 : 11,233.22 = 4,783.28 : x
  2. Step 2: Convert to fraction form
    8,140.14/11,233.22 = 4,783.28/x
  3. Step 3: Cross multiply
    8,140.14x = 11,233.22 × 4,783.28
  4. Step 4: Simplify right side
    8,140.14x = 53,731,556.48
  5. Step 5: Solve for x
    x = 53,731,556.48/8,140.14
  6. Step 6: Final answer
    x = 6,600.81

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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.