Home / 7,195.13-10,778.87-4,413.69

Finding the Fourth Proportional to 7,195.13, 10,778.87 and 4,413.69

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Solution

The fourth proportional to 7,195.13, 10,778.87 and 4,413.69 is: 6,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.13 : 10,778.87 = 4,413.69 : x
  2. Step 2: Convert to fraction form
    7,195.13/10,778.87 = 4,413.69/x
  3. Step 3: Cross multiply
    7,195.13x = 10,778.87 × 4,413.69
  4. Step 4: Simplify right side
    7,195.13x = 47,574,590.73
  5. Step 5: Solve for x
    x = 47,574,590.73/7,195.13
  6. Step 6: Final answer
    x = 6,612.05

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1.5x scale

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.