Home / 9,890.84-14,836.08-3,969.23

Finding the Fourth Proportional to 9,890.84, 14,836.08 and 3,969.23

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Solution

The fourth proportional to 9,890.84, 14,836.08 and 3,969.23 is: 5,953.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.84 : 14,836.08 = 3,969.23 : x
  2. Step 2: Convert to fraction form
    9,890.84/14,836.08 = 3,969.23/x
  3. Step 3: Cross multiply
    9,890.84x = 14,836.08 × 3,969.23
  4. Step 4: Simplify right side
    9,890.84x = 58,887,815.65
  5. Step 5: Solve for x
    x = 58,887,815.65/9,890.84
  6. Step 6: Final answer
    x = 5,953.77

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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.