Home / 4,511.63-6,220.35-2,915.57

Finding the Fourth Proportional to 4,511.63, 6,220.35 and 2,915.57

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Solution

The fourth proportional to 4,511.63, 6,220.35 and 2,915.57 is: 4,019.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,511.63 : 6,220.35 = 2,915.57 : x
  2. Step 2: Convert to fraction form
    4,511.63/6,220.35 = 2,915.57/x
  3. Step 3: Cross multiply
    4,511.63x = 6,220.35 × 2,915.57
  4. Step 4: Simplify right side
    4,511.63x = 18,135,889.60
  5. Step 5: Solve for x
    x = 18,135,889.60/4,511.63
  6. Step 6: Final answer
    x = 4,019.81

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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.