Home / 4,861-7,295.60-1,939.30

Finding the Fourth Proportional to 4,861, 7,295.60 and 1,939.30

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Solution

The fourth proportional to 4,861, 7,295.60 and 1,939.30 is: 2,910.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861 : 7,295.60 = 1,939.30 : x
  2. Step 2: Convert to fraction form
    4,861/7,295.60 = 1,939.30/x
  3. Step 3: Cross multiply
    4,861x = 7,295.60 × 1,939.30
  4. Step 4: Simplify right side
    4,861x = 14,148,357.08
  5. Step 5: Solve for x
    x = 14,148,357.08/4,861
  6. Step 6: Final answer
    x = 2,910.59

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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.