Home / 4,840.35-7,261.58-1,918.57

Finding the Fourth Proportional to 4,840.35, 7,261.58 and 1,918.57

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Solution

The fourth proportional to 4,840.35, 7,261.58 and 1,918.57 is: 2,878.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.35 : 7,261.58 = 1,918.57 : x
  2. Step 2: Convert to fraction form
    4,840.35/7,261.58 = 1,918.57/x
  3. Step 3: Cross multiply
    4,840.35x = 7,261.58 × 1,918.57
  4. Step 4: Simplify right side
    4,840.35x = 13,931,849.54
  5. Step 5: Solve for x
    x = 13,931,849.54/4,840.35
  6. Step 6: Final answer
    x = 2,878.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.