Home / 6,745.21-10,117.45-2,065.22

Finding the Fourth Proportional to 6,745.21, 10,117.45 and 2,065.22

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Solution

The fourth proportional to 6,745.21, 10,117.45 and 2,065.22 is: 3,097.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.21 : 10,117.45 = 2,065.22 : x
  2. Step 2: Convert to fraction form
    6,745.21/10,117.45 = 2,065.22/x
  3. Step 3: Cross multiply
    6,745.21x = 10,117.45 × 2,065.22
  4. Step 4: Simplify right side
    6,745.21x = 20,894,749.76
  5. Step 5: Solve for x
    x = 20,894,749.76/6,745.21
  6. Step 6: Final answer
    x = 3,097.72

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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.