Home / 9,384.28-14,076.42-2,809.61

Finding the Fourth Proportional to 9,384.28, 14,076.42 and 2,809.61

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Solution

The fourth proportional to 9,384.28, 14,076.42 and 2,809.61 is: 4,214.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384.28 : 14,076.42 = 2,809.61 : x
  2. Step 2: Convert to fraction form
    9,384.28/14,076.42 = 2,809.61/x
  3. Step 3: Cross multiply
    9,384.28x = 14,076.42 × 2,809.61
  4. Step 4: Simplify right side
    9,384.28x = 39,549,273.71
  5. Step 5: Solve for x
    x = 39,549,273.71/9,384.28
  6. Step 6: Final answer
    x = 4,214.42

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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.