Home / 7,027.80-9,698.98-3,884.60

Finding the Fourth Proportional to 7,027.80, 9,698.98 and 3,884.60

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Solution

The fourth proportional to 7,027.80, 9,698.98 and 3,884.60 is: 5,361.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.80 : 9,698.98 = 3,884.60 : x
  2. Step 2: Convert to fraction form
    7,027.80/9,698.98 = 3,884.60/x
  3. Step 3: Cross multiply
    7,027.80x = 9,698.98 × 3,884.60
  4. Step 4: Simplify right side
    7,027.80x = 37,676,657.71
  5. Step 5: Solve for x
    x = 37,676,657.71/7,027.80
  6. Step 6: Final answer
    x = 5,361.09

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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.