Home / 4,478.64-6,705.64-3,379.67

Finding the Fourth Proportional to 4,478.64, 6,705.64 and 3,379.67

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Solution

The fourth proportional to 4,478.64, 6,705.64 and 3,379.67 is: 5,060.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.64 : 6,705.64 = 3,379.67 : x
  2. Step 2: Convert to fraction form
    4,478.64/6,705.64 = 3,379.67/x
  3. Step 3: Cross multiply
    4,478.64x = 6,705.64 × 3,379.67
  4. Step 4: Simplify right side
    4,478.64x = 22,662,864.89
  5. Step 5: Solve for x
    x = 22,662,864.89/4,478.64
  6. Step 6: Final answer
    x = 5,060.21

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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.