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Finding the Fourth Proportional to 6,019.60, 8,305.80 and 3,535.60

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Solution

The fourth proportional to 6,019.60, 8,305.80 and 3,535.60 is: 4,878.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,019.60 : 8,305.80 = 3,535.60 : x
  2. Step 2: Convert to fraction form
    6,019.60/8,305.80 = 3,535.60/x
  3. Step 3: Cross multiply
    6,019.60x = 8,305.80 × 3,535.60
  4. Step 4: Simplify right side
    6,019.60x = 29,365,986.48
  5. Step 5: Solve for x
    x = 29,365,986.48/6,019.60
  6. Step 6: Final answer
    x = 4,878.39

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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.