Home / 7,914.95-11,874.18-2,984.64

Finding the Fourth Proportional to 7,914.95, 11,874.18 and 2,984.64

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Solution

The fourth proportional to 7,914.95, 11,874.18 and 2,984.64 is: 4,477.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.95 : 11,874.18 = 2,984.64 : x
  2. Step 2: Convert to fraction form
    7,914.95/11,874.18 = 2,984.64/x
  3. Step 3: Cross multiply
    7,914.95x = 11,874.18 × 2,984.64
  4. Step 4: Simplify right side
    7,914.95x = 35,440,152.60
  5. Step 5: Solve for x
    x = 35,440,152.60/7,914.95
  6. Step 6: Final answer
    x = 4,477.62

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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.