Home / 5,370.34-7,413.87-4,172.65

Finding the Fourth Proportional to 5,370.34, 7,413.87 and 4,172.65

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Solution

The fourth proportional to 5,370.34, 7,413.87 and 4,172.65 is: 5,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.34 : 7,413.87 = 4,172.65 : x
  2. Step 2: Convert to fraction form
    5,370.34/7,413.87 = 4,172.65/x
  3. Step 3: Cross multiply
    5,370.34x = 7,413.87 × 4,172.65
  4. Step 4: Simplify right side
    5,370.34x = 30,935,484.66
  5. Step 5: Solve for x
    x = 30,935,484.66/5,370.34
  6. Step 6: Final answer
    x = 5,760.43

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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.