Home / 8,541.25-11,786.93-4,815.25

Finding the Fourth Proportional to 8,541.25, 11,786.93 and 4,815.25

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Solution

The fourth proportional to 8,541.25, 11,786.93 and 4,815.25 is: 6,645.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.25 : 11,786.93 = 4,815.25 : x
  2. Step 2: Convert to fraction form
    8,541.25/11,786.93 = 4,815.25/x
  3. Step 3: Cross multiply
    8,541.25x = 11,786.93 × 4,815.25
  4. Step 4: Simplify right side
    8,541.25x = 56,757,014.68
  5. Step 5: Solve for x
    x = 56,757,014.68/8,541.25
  6. Step 6: Final answer
    x = 6,645.05

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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.