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Finding the Fourth Proportional to 5,775.76, 8,655.52 and 3,306.88

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Solution

The fourth proportional to 5,775.76, 8,655.52 and 3,306.88 is: 4,955.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.76 : 8,655.52 = 3,306.88 : x
  2. Step 2: Convert to fraction form
    5,775.76/8,655.52 = 3,306.88/x
  3. Step 3: Cross multiply
    5,775.76x = 8,655.52 × 3,306.88
  4. Step 4: Simplify right side
    5,775.76x = 28,622,765.98
  5. Step 5: Solve for x
    x = 28,622,765.98/5,775.76
  6. Step 6: Final answer
    x = 4,955.67

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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.