Home / 9,826.20-14,740.20-3,981.60

Finding the Fourth Proportional to 9,826.20, 14,740.20 and 3,981.60

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Solution

The fourth proportional to 9,826.20, 14,740.20 and 3,981.60 is: 5,972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,826.20 : 14,740.20 = 3,981.60 : x
  2. Step 2: Convert to fraction form
    9,826.20/14,740.20 = 3,981.60/x
  3. Step 3: Cross multiply
    9,826.20x = 14,740.20 × 3,981.60
  4. Step 4: Simplify right side
    9,826.20x = 58,689,580.32
  5. Step 5: Solve for x
    x = 58,689,580.32/9,826.20
  6. Step 6: Final answer
    x = 5,972.76

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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.