Home / 4,905.96-7,358.34-1,785.84

Finding the Fourth Proportional to 4,905.96, 7,358.34 and 1,785.84

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Solution

The fourth proportional to 4,905.96, 7,358.34 and 1,785.84 is: 2,678.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.96 : 7,358.34 = 1,785.84 : x
  2. Step 2: Convert to fraction form
    4,905.96/7,358.34 = 1,785.84/x
  3. Step 3: Cross multiply
    4,905.96x = 7,358.34 × 1,785.84
  4. Step 4: Simplify right side
    4,905.96x = 13,140,817.91
  5. Step 5: Solve for x
    x = 13,140,817.91/4,905.96
  6. Step 6: Final answer
    x = 2,678.54

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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.