Home / 5,040-6,955.56-2,801.88

Finding the Fourth Proportional to 5,040, 6,955.56 and 2,801.88

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Solution

The fourth proportional to 5,040, 6,955.56 and 2,801.88 is: 3,866.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040 : 6,955.56 = 2,801.88 : x
  2. Step 2: Convert to fraction form
    5,040/6,955.56 = 2,801.88/x
  3. Step 3: Cross multiply
    5,040x = 6,955.56 × 2,801.88
  4. Step 4: Simplify right side
    5,040x = 19,488,644.45
  5. Step 5: Solve for x
    x = 19,488,644.45/5,040
  6. Step 6: Final answer
    x = 3,866.79

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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.