Home / 6,413.64-9,620.18-2,254.58

Finding the Fourth Proportional to 6,413.64, 9,620.18 and 2,254.58

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Solution

The fourth proportional to 6,413.64, 9,620.18 and 2,254.58 is: 3,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.64 : 9,620.18 = 2,254.58 : x
  2. Step 2: Convert to fraction form
    6,413.64/9,620.18 = 2,254.58/x
  3. Step 3: Cross multiply
    6,413.64x = 9,620.18 × 2,254.58
  4. Step 4: Simplify right side
    6,413.64x = 21,689,465.42
  5. Step 5: Solve for x
    x = 21,689,465.42/6,413.64
  6. Step 6: Final answer
    x = 3,381.77

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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.