Home / 5,406.51-8,111.04-2,286.80

Finding the Fourth Proportional to 5,406.51, 8,111.04 and 2,286.80

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Solution

The fourth proportional to 5,406.51, 8,111.04 and 2,286.80 is: 3,430.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.51 : 8,111.04 = 2,286.80 : x
  2. Step 2: Convert to fraction form
    5,406.51/8,111.04 = 2,286.80/x
  3. Step 3: Cross multiply
    5,406.51x = 8,111.04 × 2,286.80
  4. Step 4: Simplify right side
    5,406.51x = 18,548,307.56
  5. Step 5: Solve for x
    x = 18,548,307.56/5,406.51
  6. Step 6: Final answer
    x = 3,430.73

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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.