Home / 4,948.20-7,413.30-2,345.40

Finding the Fourth Proportional to 4,948.20, 7,413.30 and 2,345.40

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Solution

The fourth proportional to 4,948.20, 7,413.30 and 2,345.40 is: 3,513.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.20 : 7,413.30 = 2,345.40 : x
  2. Step 2: Convert to fraction form
    4,948.20/7,413.30 = 2,345.40/x
  3. Step 3: Cross multiply
    4,948.20x = 7,413.30 × 2,345.40
  4. Step 4: Simplify right side
    4,948.20x = 17,387,153.82
  5. Step 5: Solve for x
    x = 17,387,153.82/4,948.20
  6. Step 6: Final answer
    x = 3,513.83

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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.