Home / 7,413.20-11,117.10-3,714.20

Finding the Fourth Proportional to 7,413.20, 11,117.10 and 3,714.20

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Solution

The fourth proportional to 7,413.20, 11,117.10 and 3,714.20 is: 5,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.20 : 11,117.10 = 3,714.20 : x
  2. Step 2: Convert to fraction form
    7,413.20/11,117.10 = 3,714.20/x
  3. Step 3: Cross multiply
    7,413.20x = 11,117.10 × 3,714.20
  4. Step 4: Simplify right side
    7,413.20x = 41,291,132.82
  5. Step 5: Solve for x
    x = 41,291,132.82/7,413.20
  6. Step 6: Final answer
    x = 5,569.95

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1.5x scale

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.