Home / 8,406.72-11,595.96-6,413.04

Finding the Fourth Proportional to 8,406.72, 11,595.96 and 6,413.04

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Solution

The fourth proportional to 8,406.72, 11,595.96 and 6,413.04 is: 8,845.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,406.72 : 11,595.96 = 6,413.04 : x
  2. Step 2: Convert to fraction form
    8,406.72/11,595.96 = 6,413.04/x
  3. Step 3: Cross multiply
    8,406.72x = 11,595.96 × 6,413.04
  4. Step 4: Simplify right side
    8,406.72x = 74,365,355.32
  5. Step 5: Solve for x
    x = 74,365,355.32/8,406.72
  6. Step 6: Final answer
    x = 8,845.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.