Home / 7,545.89-10,413.06-4,188.62

Finding the Fourth Proportional to 7,545.89, 10,413.06 and 4,188.62

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Solution

The fourth proportional to 7,545.89, 10,413.06 and 4,188.62 is: 5,780.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.89 : 10,413.06 = 4,188.62 : x
  2. Step 2: Convert to fraction form
    7,545.89/10,413.06 = 4,188.62/x
  3. Step 3: Cross multiply
    7,545.89x = 10,413.06 × 4,188.62
  4. Step 4: Simplify right side
    7,545.89x = 43,616,351.38
  5. Step 5: Solve for x
    x = 43,616,351.38/7,545.89
  6. Step 6: Final answer
    x = 5,780.15

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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.