Home / 9,326.28-13,980.78-3,478.44

Finding the Fourth Proportional to 9,326.28, 13,980.78 and 3,478.44

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Solution

The fourth proportional to 9,326.28, 13,980.78 and 3,478.44 is: 5,214.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.28 : 13,980.78 = 3,478.44 : x
  2. Step 2: Convert to fraction form
    9,326.28/13,980.78 = 3,478.44/x
  3. Step 3: Cross multiply
    9,326.28x = 13,980.78 × 3,478.44
  4. Step 4: Simplify right side
    9,326.28x = 48,631,304.38
  5. Step 5: Solve for x
    x = 48,631,304.38/9,326.28
  6. Step 6: Final answer
    x = 5,214.44

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1.5x scale

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.