Home / 7,158.41-10,739.19-2,941.65

Finding the Fourth Proportional to 7,158.41, 10,739.19 and 2,941.65

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Solution

The fourth proportional to 7,158.41, 10,739.19 and 2,941.65 is: 4,413.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.41 : 10,739.19 = 2,941.65 : x
  2. Step 2: Convert to fraction form
    7,158.41/10,739.19 = 2,941.65/x
  3. Step 3: Cross multiply
    7,158.41x = 10,739.19 × 2,941.65
  4. Step 4: Simplify right side
    7,158.41x = 31,590,938.26
  5. Step 5: Solve for x
    x = 31,590,938.26/7,158.41
  6. Step 6: Final answer
    x = 4,413.13

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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.