Home / 9,880.57-14,820.04-3,305.90

Finding the Fourth Proportional to 9,880.57, 14,820.04 and 3,305.90

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Solution

The fourth proportional to 9,880.57, 14,820.04 and 3,305.90 is: 4,958.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.57 : 14,820.04 = 3,305.90 : x
  2. Step 2: Convert to fraction form
    9,880.57/14,820.04 = 3,305.90/x
  3. Step 3: Cross multiply
    9,880.57x = 14,820.04 × 3,305.90
  4. Step 4: Simplify right side
    9,880.57x = 48,993,570.24
  5. Step 5: Solve for x
    x = 48,993,570.24/9,880.57
  6. Step 6: Final answer
    x = 4,958.58

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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.