Home / 5,148.26-7,104.60-2,790.41

Finding the Fourth Proportional to 5,148.26, 7,104.60 and 2,790.41

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Solution

The fourth proportional to 5,148.26, 7,104.60 and 2,790.41 is: 3,850.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.26 : 7,104.60 = 2,790.41 : x
  2. Step 2: Convert to fraction form
    5,148.26/7,104.60 = 2,790.41/x
  3. Step 3: Cross multiply
    5,148.26x = 7,104.60 × 2,790.41
  4. Step 4: Simplify right side
    5,148.26x = 19,824,746.89
  5. Step 5: Solve for x
    x = 19,824,746.89/5,148.26
  6. Step 6: Final answer
    x = 3,850.77

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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.