Home / 4,840.15-7,261.24-1,918.48

Finding the Fourth Proportional to 4,840.15, 7,261.24 and 1,918.48

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Solution

The fourth proportional to 4,840.15, 7,261.24 and 1,918.48 is: 2,878.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.15 : 7,261.24 = 1,918.48 : x
  2. Step 2: Convert to fraction form
    4,840.15/7,261.24 = 1,918.48/x
  3. Step 3: Cross multiply
    4,840.15x = 7,261.24 × 1,918.48
  4. Step 4: Simplify right side
    4,840.15x = 13,930,543.72
  5. Step 5: Solve for x
    x = 13,930,543.72/4,840.15
  6. Step 6: Final answer
    x = 2,878.12

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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.