Home / 7,027.89-9,698.50-3,884.28

Finding the Fourth Proportional to 7,027.89, 9,698.50 and 3,884.28

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Solution

The fourth proportional to 7,027.89, 9,698.50 and 3,884.28 is: 5,360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.89 : 9,698.50 = 3,884.28 : x
  2. Step 2: Convert to fraction form
    7,027.89/9,698.50 = 3,884.28/x
  3. Step 3: Cross multiply
    7,027.89x = 9,698.50 × 3,884.28
  4. Step 4: Simplify right side
    7,027.89x = 37,671,689.58
  5. Step 5: Solve for x
    x = 37,671,689.58/7,027.89
  6. Step 6: Final answer
    x = 5,360.31

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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.