Home / 9,890.45-14,834.09-3,653.40

Finding the Fourth Proportional to 9,890.45, 14,834.09 and 3,653.40

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Solution

The fourth proportional to 9,890.45, 14,834.09 and 3,653.40 is: 5,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.45 : 14,834.09 = 3,653.40 : x
  2. Step 2: Convert to fraction form
    9,890.45/14,834.09 = 3,653.40/x
  3. Step 3: Cross multiply
    9,890.45x = 14,834.09 × 3,653.40
  4. Step 4: Simplify right side
    9,890.45x = 54,194,864.41
  5. Step 5: Solve for x
    x = 54,194,864.41/9,890.45
  6. Step 6: Final answer
    x = 5,479.51

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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.