Home / 7,104.48-10,658-2,942.20

Finding the Fourth Proportional to 7,104.48, 10,658 and 2,942.20

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Solution

The fourth proportional to 7,104.48, 10,658 and 2,942.20 is: 4,413.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.48 : 10,658 = 2,942.20 : x
  2. Step 2: Convert to fraction form
    7,104.48/10,658 = 2,942.20/x
  3. Step 3: Cross multiply
    7,104.48x = 10,658 × 2,942.20
  4. Step 4: Simplify right side
    7,104.48x = 31,357,967.60
  5. Step 5: Solve for x
    x = 31,357,967.60/7,104.48
  6. Step 6: Final answer
    x = 4,413.83

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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.