Home / 8,933.64-13,400.06-3,090.71

Finding the Fourth Proportional to 8,933.64, 13,400.06 and 3,090.71

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Solution

The fourth proportional to 8,933.64, 13,400.06 and 3,090.71 is: 4,635.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.64 : 13,400.06 = 3,090.71 : x
  2. Step 2: Convert to fraction form
    8,933.64/13,400.06 = 3,090.71/x
  3. Step 3: Cross multiply
    8,933.64x = 13,400.06 × 3,090.71
  4. Step 4: Simplify right side
    8,933.64x = 41,415,616.99
  5. Step 5: Solve for x
    x = 41,415,616.99/8,933.64
  6. Step 6: Final answer
    x = 4,635.92

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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.