Home / 4,745.17-7,117.12-1,413.35

Finding the Fourth Proportional to 4,745.17, 7,117.12 and 1,413.35

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Solution

The fourth proportional to 4,745.17, 7,117.12 and 1,413.35 is: 2,119.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.17 : 7,117.12 = 1,413.35 : x
  2. Step 2: Convert to fraction form
    4,745.17/7,117.12 = 1,413.35/x
  3. Step 3: Cross multiply
    4,745.17x = 7,117.12 × 1,413.35
  4. Step 4: Simplify right side
    4,745.17x = 10,058,995.81
  5. Step 5: Solve for x
    x = 10,058,995.81/4,745.17
  6. Step 6: Final answer
    x = 2,119.84

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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.