Home / 7,512.57-11,268.54-1,890.23

Finding the Fourth Proportional to 7,512.57, 11,268.54 and 1,890.23

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Solution

The fourth proportional to 7,512.57, 11,268.54 and 1,890.23 is: 2,835.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.57 : 11,268.54 = 1,890.23 : x
  2. Step 2: Convert to fraction form
    7,512.57/11,268.54 = 1,890.23/x
  3. Step 3: Cross multiply
    7,512.57x = 11,268.54 × 1,890.23
  4. Step 4: Simplify right side
    7,512.57x = 21,300,076.02
  5. Step 5: Solve for x
    x = 21,300,076.02/7,512.57
  6. Step 6: Final answer
    x = 2,835.26

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Double scale
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Similar ratio
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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.