Home / 8,811.24-12,159.56-4,832.36

Finding the Fourth Proportional to 8,811.24, 12,159.56 and 4,832.36

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Solution

The fourth proportional to 8,811.24, 12,159.56 and 4,832.36 is: 6,668.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.24 : 12,159.56 = 4,832.36 : x
  2. Step 2: Convert to fraction form
    8,811.24/12,159.56 = 4,832.36/x
  3. Step 3: Cross multiply
    8,811.24x = 12,159.56 × 4,832.36
  4. Step 4: Simplify right side
    8,811.24x = 58,759,413.84
  5. Step 5: Solve for x
    x = 58,759,413.84/8,811.24
  6. Step 6: Final answer
    x = 6,668.69

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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.