Home / 9,880.56-14,820.48-3,306.60

Finding the Fourth Proportional to 9,880.56, 14,820.48 and 3,306.60

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Solution

The fourth proportional to 9,880.56, 14,820.48 and 3,306.60 is: 4,959.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.56 : 14,820.48 = 3,306.60 : x
  2. Step 2: Convert to fraction form
    9,880.56/14,820.48 = 3,306.60/x
  3. Step 3: Cross multiply
    9,880.56x = 14,820.48 × 3,306.60
  4. Step 4: Simplify right side
    9,880.56x = 49,005,399.17
  5. Step 5: Solve for x
    x = 49,005,399.17/9,880.56
  6. Step 6: Final answer
    x = 4,959.78

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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.