Home / 5,554.48-7,661.54-3,314.86

Finding the Fourth Proportional to 5,554.48, 7,661.54 and 3,314.86

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Solution

The fourth proportional to 5,554.48, 7,661.54 and 3,314.86 is: 4,572.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.48 : 7,661.54 = 3,314.86 : x
  2. Step 2: Convert to fraction form
    5,554.48/7,661.54 = 3,314.86/x
  3. Step 3: Cross multiply
    5,554.48x = 7,661.54 × 3,314.86
  4. Step 4: Simplify right side
    5,554.48x = 25,396,932.48
  5. Step 5: Solve for x
    x = 25,396,932.48/5,554.48
  6. Step 6: Final answer
    x = 4,572.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.