Home / 5,413.31-7,465.18-3,289.19

Finding the Fourth Proportional to 5,413.31, 7,465.18 and 3,289.19

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Solution

The fourth proportional to 5,413.31, 7,465.18 and 3,289.19 is: 4,535.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.31 : 7,465.18 = 3,289.19 : x
  2. Step 2: Convert to fraction form
    5,413.31/7,465.18 = 3,289.19/x
  3. Step 3: Cross multiply
    5,413.31x = 7,465.18 × 3,289.19
  4. Step 4: Simplify right side
    5,413.31x = 24,554,395.40
  5. Step 5: Solve for x
    x = 24,554,395.40/5,413.31
  6. Step 6: Final answer
    x = 4,535.93

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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.