Home / 7,027.98-9,698.40-3,884.16

Finding the Fourth Proportional to 7,027.98, 9,698.40 and 3,884.16

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Solution

The fourth proportional to 7,027.98, 9,698.40 and 3,884.16 is: 5,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.98 : 9,698.40 = 3,884.16 : x
  2. Step 2: Convert to fraction form
    7,027.98/9,698.40 = 3,884.16/x
  3. Step 3: Cross multiply
    7,027.98x = 9,698.40 × 3,884.16
  4. Step 4: Simplify right side
    7,027.98x = 37,670,137.34
  5. Step 5: Solve for x
    x = 37,670,137.34/7,027.98
  6. Step 6: Final answer
    x = 5,360.02

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1.5x scale

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.