Home / 6,625.74-9,938.30-1,945.56

Finding the Fourth Proportional to 6,625.74, 9,938.30 and 1,945.56

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Solution

The fourth proportional to 6,625.74, 9,938.30 and 1,945.56 is: 2,918.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.74 : 9,938.30 = 1,945.56 : x
  2. Step 2: Convert to fraction form
    6,625.74/9,938.30 = 1,945.56/x
  3. Step 3: Cross multiply
    6,625.74x = 9,938.30 × 1,945.56
  4. Step 4: Simplify right side
    6,625.74x = 19,335,558.95
  5. Step 5: Solve for x
    x = 19,335,558.95/6,625.74
  6. Step 6: Final answer
    x = 2,918.25

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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.