Home / 4,285.44-6,413.58-3,315.87

Finding the Fourth Proportional to 4,285.44, 6,413.58 and 3,315.87

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Solution

The fourth proportional to 4,285.44, 6,413.58 and 3,315.87 is: 4,962.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.44 : 6,413.58 = 3,315.87 : x
  2. Step 2: Convert to fraction form
    4,285.44/6,413.58 = 3,315.87/x
  3. Step 3: Cross multiply
    4,285.44x = 6,413.58 × 3,315.87
  4. Step 4: Simplify right side
    4,285.44x = 21,266,597.51
  5. Step 5: Solve for x
    x = 21,266,597.51/4,285.44
  6. Step 6: Final answer
    x = 4,962.52

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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.