Home / 4,918.01-6,786.33-2,928.18

Finding the Fourth Proportional to 4,918.01, 6,786.33 and 2,928.18

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Solution

The fourth proportional to 4,918.01, 6,786.33 and 2,928.18 is: 4,040.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.01 : 6,786.33 = 2,928.18 : x
  2. Step 2: Convert to fraction form
    4,918.01/6,786.33 = 2,928.18/x
  3. Step 3: Cross multiply
    4,918.01x = 6,786.33 × 2,928.18
  4. Step 4: Simplify right side
    4,918.01x = 19,871,595.78
  5. Step 5: Solve for x
    x = 19,871,595.78/4,918.01
  6. Step 6: Final answer
    x = 4,040.58

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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.