Home / 9,322.63-13,983.49-3,478.78

Finding the Fourth Proportional to 9,322.63, 13,983.49 and 3,478.78

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Solution

The fourth proportional to 9,322.63, 13,983.49 and 3,478.78 is: 5,218.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.63 : 13,983.49 = 3,478.78 : x
  2. Step 2: Convert to fraction form
    9,322.63/13,983.49 = 3,478.78/x
  3. Step 3: Cross multiply
    9,322.63x = 13,983.49 × 3,478.78
  4. Step 4: Simplify right side
    9,322.63x = 48,645,487.60
  5. Step 5: Solve for x
    x = 48,645,487.60/9,322.63
  6. Step 6: Final answer
    x = 5,218.00

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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.