Home / 5,160.36-7,735.59-1,648.43

Finding the Fourth Proportional to 5,160.36, 7,735.59 and 1,648.43

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Solution

The fourth proportional to 5,160.36, 7,735.59 and 1,648.43 is: 2,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.36 : 7,735.59 = 1,648.43 : x
  2. Step 2: Convert to fraction form
    5,160.36/7,735.59 = 1,648.43/x
  3. Step 3: Cross multiply
    5,160.36x = 7,735.59 × 1,648.43
  4. Step 4: Simplify right side
    5,160.36x = 12,751,539.95
  5. Step 5: Solve for x
    x = 12,751,539.95/5,160.36
  6. Step 6: Final answer
    x = 2,471.06

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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.