Home / 6,625.06-9,938.93-1,945.21

Finding the Fourth Proportional to 6,625.06, 9,938.93 and 1,945.21

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Solution

The fourth proportional to 6,625.06, 9,938.93 and 1,945.21 is: 2,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.06 : 9,938.93 = 1,945.21 : x
  2. Step 2: Convert to fraction form
    6,625.06/9,938.93 = 1,945.21/x
  3. Step 3: Cross multiply
    6,625.06x = 9,938.93 × 1,945.21
  4. Step 4: Simplify right side
    6,625.06x = 19,333,306.03
  5. Step 5: Solve for x
    x = 19,333,306.03/6,625.06
  6. Step 6: Final answer
    x = 2,918.21

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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.