Home / 7,413.60-11,113.14-3,710.28

Finding the Fourth Proportional to 7,413.60, 11,113.14 and 3,710.28

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Solution

The fourth proportional to 7,413.60, 11,113.14 and 3,710.28 is: 5,561.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.60 : 11,113.14 = 3,710.28 : x
  2. Step 2: Convert to fraction form
    7,413.60/11,113.14 = 3,710.28/x
  3. Step 3: Cross multiply
    7,413.60x = 11,113.14 × 3,710.28
  4. Step 4: Simplify right side
    7,413.60x = 41,232,861.08
  5. Step 5: Solve for x
    x = 41,232,861.08/7,413.60
  6. Step 6: Final answer
    x = 5,561.79

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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.