Home / 9,880.87-14,827.15-3,645.26

Finding the Fourth Proportional to 9,880.87, 14,827.15 and 3,645.26

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Solution

The fourth proportional to 9,880.87, 14,827.15 and 3,645.26 is: 5,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.87 : 14,827.15 = 3,645.26 : x
  2. Step 2: Convert to fraction form
    9,880.87/14,827.15 = 3,645.26/x
  3. Step 3: Cross multiply
    9,880.87x = 14,827.15 × 3,645.26
  4. Step 4: Simplify right side
    9,880.87x = 54,048,865.73
  5. Step 5: Solve for x
    x = 54,048,865.73/9,880.87
  6. Step 6: Final answer
    x = 5,470.05

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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.