Home / 7,261.00-10,890.11-2,818.67

Finding the Fourth Proportional to 7,261.00, 10,890.11 and 2,818.67

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Solution

The fourth proportional to 7,261.00, 10,890.11 and 2,818.67 is: 4,227.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.00 : 10,890.11 = 2,818.67 : x
  2. Step 2: Convert to fraction form
    7,261.00/10,890.11 = 2,818.67/x
  3. Step 3: Cross multiply
    7,261.00x = 10,890.11 × 2,818.67
  4. Step 4: Simplify right side
    7,261.00x = 30,695,578.95
  5. Step 5: Solve for x
    x = 30,695,578.95/7,261.00
  6. Step 6: Final answer
    x = 4,227.46

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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.