Home / 7,864.02-11,783.79-2,932.34

Finding the Fourth Proportional to 7,864.02, 11,783.79 and 2,932.34

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Solution

The fourth proportional to 7,864.02, 11,783.79 and 2,932.34 is: 4,393.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.02 : 11,783.79 = 2,932.34 : x
  2. Step 2: Convert to fraction form
    7,864.02/11,783.79 = 2,932.34/x
  3. Step 3: Cross multiply
    7,864.02x = 11,783.79 × 2,932.34
  4. Step 4: Simplify right side
    7,864.02x = 34,554,019.85
  5. Step 5: Solve for x
    x = 34,554,019.85/7,864.02
  6. Step 6: Final answer
    x = 4,393.94

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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.