Home / 8,054.84-11,115.78-4,911.32

Finding the Fourth Proportional to 8,054.84, 11,115.78 and 4,911.32

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Solution

The fourth proportional to 8,054.84, 11,115.78 and 4,911.32 is: 6,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.84 : 11,115.78 = 4,911.32 : x
  2. Step 2: Convert to fraction form
    8,054.84/11,115.78 = 4,911.32/x
  3. Step 3: Cross multiply
    8,054.84x = 11,115.78 × 4,911.32
  4. Step 4: Simplify right side
    8,054.84x = 54,593,152.63
  5. Step 5: Solve for x
    x = 54,593,152.63/8,054.84
  6. Step 6: Final answer
    x = 6,777.68

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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.