Home / 10,361.40-15,537.60-4,812.90

Finding the Fourth Proportional to 10,361.40, 15,537.60 and 4,812.90

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Solution

The fourth proportional to 10,361.40, 15,537.60 and 4,812.90 is: 7,217.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.40 : 15,537.60 = 4,812.90 : x
  2. Step 2: Convert to fraction form
    10,361.40/15,537.60 = 4,812.90/x
  3. Step 3: Cross multiply
    10,361.40x = 15,537.60 × 4,812.90
  4. Step 4: Simplify right side
    10,361.40x = 74,780,915.04
  5. Step 5: Solve for x
    x = 74,780,915.04/10,361.40
  6. Step 6: Final answer
    x = 7,217.26

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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.