Home / 9,126.63-13,685.13-2,884.98

Finding the Fourth Proportional to 9,126.63, 13,685.13 and 2,884.98

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Solution

The fourth proportional to 9,126.63, 13,685.13 and 2,884.98 is: 4,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.63 : 13,685.13 = 2,884.98 : x
  2. Step 2: Convert to fraction form
    9,126.63/13,685.13 = 2,884.98/x
  3. Step 3: Cross multiply
    9,126.63x = 13,685.13 × 2,884.98
  4. Step 4: Simplify right side
    9,126.63x = 39,481,326.35
  5. Step 5: Solve for x
    x = 39,481,326.35/9,126.63
  6. Step 6: Final answer
    x = 4,325.95

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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.