Home / 7,413.12-11,124.24-3,030.60

Finding the Fourth Proportional to 7,413.12, 11,124.24 and 3,030.60

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Solution

The fourth proportional to 7,413.12, 11,124.24 and 3,030.60 is: 4,547.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.12 : 11,124.24 = 3,030.60 : x
  2. Step 2: Convert to fraction form
    7,413.12/11,124.24 = 3,030.60/x
  3. Step 3: Cross multiply
    7,413.12x = 11,124.24 × 3,030.60
  4. Step 4: Simplify right side
    7,413.12x = 33,713,121.74
  5. Step 5: Solve for x
    x = 33,713,121.74/7,413.12
  6. Step 6: Final answer
    x = 4,547.76

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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.