Home / 4,087.03-6,131.74-1,313.64

Finding the Fourth Proportional to 4,087.03, 6,131.74 and 1,313.64

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Solution

The fourth proportional to 4,087.03, 6,131.74 and 1,313.64 is: 1,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.03 : 6,131.74 = 1,313.64 : x
  2. Step 2: Convert to fraction form
    4,087.03/6,131.74 = 1,313.64/x
  3. Step 3: Cross multiply
    4,087.03x = 6,131.74 × 1,313.64
  4. Step 4: Simplify right side
    4,087.03x = 8,054,898.93
  5. Step 5: Solve for x
    x = 8,054,898.93/4,087.03
  6. Step 6: Final answer
    x = 1,970.84

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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.