Home / 7,413.59-10,229.75-4,428.79

Finding the Fourth Proportional to 7,413.59, 10,229.75 and 4,428.79

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Solution

The fourth proportional to 7,413.59, 10,229.75 and 4,428.79 is: 6,111.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.59 : 10,229.75 = 4,428.79 : x
  2. Step 2: Convert to fraction form
    7,413.59/10,229.75 = 4,428.79/x
  3. Step 3: Cross multiply
    7,413.59x = 10,229.75 × 4,428.79
  4. Step 4: Simplify right side
    7,413.59x = 45,305,403.79
  5. Step 5: Solve for x
    x = 45,305,403.79/7,413.59
  6. Step 6: Final answer
    x = 6,111.13

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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.