Home / 7,855.05-10,840.11-4,318.26

Finding the Fourth Proportional to 7,855.05, 10,840.11 and 4,318.26

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Solution

The fourth proportional to 7,855.05, 10,840.11 and 4,318.26 is: 5,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.05 : 10,840.11 = 4,318.26 : x
  2. Step 2: Convert to fraction form
    7,855.05/10,840.11 = 4,318.26/x
  3. Step 3: Cross multiply
    7,855.05x = 10,840.11 × 4,318.26
  4. Step 4: Simplify right side
    7,855.05x = 46,810,413.41
  5. Step 5: Solve for x
    x = 46,810,413.41/7,855.05
  6. Step 6: Final answer
    x = 5,959.28

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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.