Home / 4,511.68-6,220.42-2,915.62

Finding the Fourth Proportional to 4,511.68, 6,220.42 and 2,915.62

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Solution

The fourth proportional to 4,511.68, 6,220.42 and 2,915.62 is: 4,019.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,511.68 : 6,220.42 = 2,915.62 : x
  2. Step 2: Convert to fraction form
    4,511.68/6,220.42 = 2,915.62/x
  3. Step 3: Cross multiply
    4,511.68x = 6,220.42 × 2,915.62
  4. Step 4: Simplify right side
    4,511.68x = 18,136,380.96
  5. Step 5: Solve for x
    x = 18,136,380.96/4,511.68
  6. Step 6: Final answer
    x = 4,019.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.