Home / 8,413.20-12,595.32-5,481.36

Finding the Fourth Proportional to 8,413.20, 12,595.32 and 5,481.36

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Solution

The fourth proportional to 8,413.20, 12,595.32 and 5,481.36 is: 8,206.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.20 : 12,595.32 = 5,481.36 : x
  2. Step 2: Convert to fraction form
    8,413.20/12,595.32 = 5,481.36/x
  3. Step 3: Cross multiply
    8,413.20x = 12,595.32 × 5,481.36
  4. Step 4: Simplify right side
    8,413.20x = 69,039,483.24
  5. Step 5: Solve for x
    x = 69,039,483.24/8,413.20
  6. Step 6: Final answer
    x = 8,206.09

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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.