Home / 4,812.89-7,220.09-2,039.57

Finding the Fourth Proportional to 4,812.89, 7,220.09 and 2,039.57

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Solution

The fourth proportional to 4,812.89, 7,220.09 and 2,039.57 is: 3,059.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.89 : 7,220.09 = 2,039.57 : x
  2. Step 2: Convert to fraction form
    4,812.89/7,220.09 = 2,039.57/x
  3. Step 3: Cross multiply
    4,812.89x = 7,220.09 × 2,039.57
  4. Step 4: Simplify right side
    4,812.89x = 14,725,878.96
  5. Step 5: Solve for x
    x = 14,725,878.96/4,812.89
  6. Step 6: Final answer
    x = 3,059.67

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1.5x scale

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.