Home / 7,254.12-10,860.30-5,413.80

Finding the Fourth Proportional to 7,254.12, 10,860.30 and 5,413.80

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Solution

The fourth proportional to 7,254.12, 10,860.30 and 5,413.80 is: 8,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254.12 : 10,860.30 = 5,413.80 : x
  2. Step 2: Convert to fraction form
    7,254.12/10,860.30 = 5,413.80/x
  3. Step 3: Cross multiply
    7,254.12x = 10,860.30 × 5,413.80
  4. Step 4: Simplify right side
    7,254.12x = 58,795,492.14
  5. Step 5: Solve for x
    x = 58,795,492.14/7,254.12
  6. Step 6: Final answer
    x = 8,105.12

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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.