Home / 6,768.36-10,157.40-3,074.76

Finding the Fourth Proportional to 6,768.36, 10,157.40 and 3,074.76

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Solution

The fourth proportional to 6,768.36, 10,157.40 and 3,074.76 is: 4,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.36 : 10,157.40 = 3,074.76 : x
  2. Step 2: Convert to fraction form
    6,768.36/10,157.40 = 3,074.76/x
  3. Step 3: Cross multiply
    6,768.36x = 10,157.40 × 3,074.76
  4. Step 4: Simplify right side
    6,768.36x = 31,231,567.22
  5. Step 5: Solve for x
    x = 31,231,567.22/6,768.36
  6. Step 6: Final answer
    x = 4,614.35

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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.