Home / 10,609.00-15,915.78-3,214.04

Finding the Fourth Proportional to 10,609.00, 15,915.78 and 3,214.04

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Solution

The fourth proportional to 10,609.00, 15,915.78 and 3,214.04 is: 4,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609.00 : 15,915.78 = 3,214.04 : x
  2. Step 2: Convert to fraction form
    10,609.00/15,915.78 = 3,214.04/x
  3. Step 3: Cross multiply
    10,609.00x = 15,915.78 × 3,214.04
  4. Step 4: Simplify right side
    10,609.00x = 51,153,880.64
  5. Step 5: Solve for x
    x = 51,153,880.64/10,609.00
  6. Step 6: Final answer
    x = 4,821.74

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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.