Home / 8,905.42-13,366.80-4,291.66

Finding the Fourth Proportional to 8,905.42, 13,366.80 and 4,291.66

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Solution

The fourth proportional to 8,905.42, 13,366.80 and 4,291.66 is: 6,441.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.42 : 13,366.80 = 4,291.66 : x
  2. Step 2: Convert to fraction form
    8,905.42/13,366.80 = 4,291.66/x
  3. Step 3: Cross multiply
    8,905.42x = 13,366.80 × 4,291.66
  4. Step 4: Simplify right side
    8,905.42x = 57,365,760.89
  5. Step 5: Solve for x
    x = 57,365,760.89/8,905.42
  6. Step 6: Final answer
    x = 6,441.67

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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.