Home / 5,236.25-7,854.37-1,945.42

Finding the Fourth Proportional to 5,236.25, 7,854.37 and 1,945.42

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Solution

The fourth proportional to 5,236.25, 7,854.37 and 1,945.42 is: 2,918.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.25 : 7,854.37 = 1,945.42 : x
  2. Step 2: Convert to fraction form
    5,236.25/7,854.37 = 1,945.42/x
  3. Step 3: Cross multiply
    5,236.25x = 7,854.37 × 1,945.42
  4. Step 4: Simplify right side
    5,236.25x = 15,280,023.99
  5. Step 5: Solve for x
    x = 15,280,023.99/5,236.25
  6. Step 6: Final answer
    x = 2,918.13

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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.