Home / 9,384.21-14,072.85-2,808.18

Finding the Fourth Proportional to 9,384.21, 14,072.85 and 2,808.18

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Solution

The fourth proportional to 9,384.21, 14,072.85 and 2,808.18 is: 4,211.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384.21 : 14,072.85 = 2,808.18 : x
  2. Step 2: Convert to fraction form
    9,384.21/14,072.85 = 2,808.18/x
  3. Step 3: Cross multiply
    9,384.21x = 14,072.85 × 2,808.18
  4. Step 4: Simplify right side
    9,384.21x = 39,519,095.91
  5. Step 5: Solve for x
    x = 39,519,095.91/9,384.21
  6. Step 6: Final answer
    x = 4,211.23

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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.