Home / 8,932.36-13,359.12-5,412.64

Finding the Fourth Proportional to 8,932.36, 13,359.12 and 5,412.64

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Solution

The fourth proportional to 8,932.36, 13,359.12 and 5,412.64 is: 8,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.36 : 13,359.12 = 5,412.64 : x
  2. Step 2: Convert to fraction form
    8,932.36/13,359.12 = 5,412.64/x
  3. Step 3: Cross multiply
    8,932.36x = 13,359.12 × 5,412.64
  4. Step 4: Simplify right side
    8,932.36x = 72,308,107.28
  5. Step 5: Solve for x
    x = 72,308,107.28/8,932.36
  6. Step 6: Final answer
    x = 8,095.07

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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.