Home / 4,087.87-6,131.35-1,455.27

Finding the Fourth Proportional to 4,087.87, 6,131.35 and 1,455.27

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Solution

The fourth proportional to 4,087.87, 6,131.35 and 1,455.27 is: 2,182.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.87 : 6,131.35 = 1,455.27 : x
  2. Step 2: Convert to fraction form
    4,087.87/6,131.35 = 1,455.27/x
  3. Step 3: Cross multiply
    4,087.87x = 6,131.35 × 1,455.27
  4. Step 4: Simplify right side
    4,087.87x = 8,922,740.36
  5. Step 5: Solve for x
    x = 8,922,740.36/4,087.87
  6. Step 6: Final answer
    x = 2,182.74

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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.