Home / 9,880.88-14,827.76-3,640.95

Finding the Fourth Proportional to 9,880.88, 14,827.76 and 3,640.95

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Solution

The fourth proportional to 9,880.88, 14,827.76 and 3,640.95 is: 5,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.88 : 14,827.76 = 3,640.95 : x
  2. Step 2: Convert to fraction form
    9,880.88/14,827.76 = 3,640.95/x
  3. Step 3: Cross multiply
    9,880.88x = 14,827.76 × 3,640.95
  4. Step 4: Simplify right side
    9,880.88x = 53,987,114.57
  5. Step 5: Solve for x
    x = 53,987,114.57/9,880.88
  6. Step 6: Final answer
    x = 5,463.80

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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.