Home / 4,945.85-7,418.75-1,248.37

Finding the Fourth Proportional to 4,945.85, 7,418.75 and 1,248.37

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Solution

The fourth proportional to 4,945.85, 7,418.75 and 1,248.37 is: 1,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.85 : 7,418.75 = 1,248.37 : x
  2. Step 2: Convert to fraction form
    4,945.85/7,418.75 = 1,248.37/x
  3. Step 3: Cross multiply
    4,945.85x = 7,418.75 × 1,248.37
  4. Step 4: Simplify right side
    4,945.85x = 9,261,329.51
  5. Step 5: Solve for x
    x = 9,261,329.51/4,945.85
  6. Step 6: Final answer
    x = 1,872.55

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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.