Home / 8,054.62-11,112.69-4,868.89

Finding the Fourth Proportional to 8,054.62, 11,112.69 and 4,868.89

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Solution

The fourth proportional to 8,054.62, 11,112.69 and 4,868.89 is: 6,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.62 : 11,112.69 = 4,868.89 : x
  2. Step 2: Convert to fraction form
    8,054.62/11,112.69 = 4,868.89/x
  3. Step 3: Cross multiply
    8,054.62x = 11,112.69 × 4,868.89
  4. Step 4: Simplify right side
    8,054.62x = 54,106,455.69
  5. Step 5: Solve for x
    x = 54,106,455.69/8,054.62
  6. Step 6: Final answer
    x = 6,717.45

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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.