Home / 5,085.36-7,626.60-3,620.16

Finding the Fourth Proportional to 5,085.36, 7,626.60 and 3,620.16

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Solution

The fourth proportional to 5,085.36, 7,626.60 and 3,620.16 is: 5,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.36 : 7,626.60 = 3,620.16 : x
  2. Step 2: Convert to fraction form
    5,085.36/7,626.60 = 3,620.16/x
  3. Step 3: Cross multiply
    5,085.36x = 7,626.60 × 3,620.16
  4. Step 4: Simplify right side
    5,085.36x = 27,609,512.26
  5. Step 5: Solve for x
    x = 27,609,512.26/5,085.36
  6. Step 6: Final answer
    x = 5,429.21

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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.