Home / 7,847.16-11,769.53-2,915.88

Finding the Fourth Proportional to 7,847.16, 11,769.53 and 2,915.88

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Solution

The fourth proportional to 7,847.16, 11,769.53 and 2,915.88 is: 4,373.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.16 : 11,769.53 = 2,915.88 : x
  2. Step 2: Convert to fraction form
    7,847.16/11,769.53 = 2,915.88/x
  3. Step 3: Cross multiply
    7,847.16x = 11,769.53 × 2,915.88
  4. Step 4: Simplify right side
    7,847.16x = 34,318,522.56
  5. Step 5: Solve for x
    x = 34,318,522.56/7,847.16
  6. Step 6: Final answer
    x = 4,373.37

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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.