Home / 5,381.60-8,074.46-2,097.02

Finding the Fourth Proportional to 5,381.60, 8,074.46 and 2,097.02

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Solution

The fourth proportional to 5,381.60, 8,074.46 and 2,097.02 is: 3,146.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.60 : 8,074.46 = 2,097.02 : x
  2. Step 2: Convert to fraction form
    5,381.60/8,074.46 = 2,097.02/x
  3. Step 3: Cross multiply
    5,381.60x = 8,074.46 × 2,097.02
  4. Step 4: Simplify right side
    5,381.60x = 16,932,268.98
  5. Step 5: Solve for x
    x = 16,932,268.98/5,381.60
  6. Step 6: Final answer
    x = 3,146.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.