Home / 7,131.03-10,695.66-2,745.35

Finding the Fourth Proportional to 7,131.03, 10,695.66 and 2,745.35

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Solution

The fourth proportional to 7,131.03, 10,695.66 and 2,745.35 is: 4,117.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.03 : 10,695.66 = 2,745.35 : x
  2. Step 2: Convert to fraction form
    7,131.03/10,695.66 = 2,745.35/x
  3. Step 3: Cross multiply
    7,131.03x = 10,695.66 × 2,745.35
  4. Step 4: Simplify right side
    7,131.03x = 29,363,330.18
  5. Step 5: Solve for x
    x = 29,363,330.18/7,131.03
  6. Step 6: Final answer
    x = 4,117.68

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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.