Home / 6,413.89-9,621.09-2,031.35

Finding the Fourth Proportional to 6,413.89, 9,621.09 and 2,031.35

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Solution

The fourth proportional to 6,413.89, 9,621.09 and 2,031.35 is: 3,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.89 : 9,621.09 = 2,031.35 : x
  2. Step 2: Convert to fraction form
    6,413.89/9,621.09 = 2,031.35/x
  3. Step 3: Cross multiply
    6,413.89x = 9,621.09 × 2,031.35
  4. Step 4: Simplify right side
    6,413.89x = 19,543,776.22
  5. Step 5: Solve for x
    x = 19,543,776.22/6,413.89
  6. Step 6: Final answer
    x = 3,047.10

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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.