Home / 4,743.08-7,116.77-1,971.80

Finding the Fourth Proportional to 4,743.08, 7,116.77 and 1,971.80

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Solution

The fourth proportional to 4,743.08, 7,116.77 and 1,971.80 is: 2,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.08 : 7,116.77 = 1,971.80 : x
  2. Step 2: Convert to fraction form
    4,743.08/7,116.77 = 1,971.80/x
  3. Step 3: Cross multiply
    4,743.08x = 7,116.77 × 1,971.80
  4. Step 4: Simplify right side
    4,743.08x = 14,032,816.43
  5. Step 5: Solve for x
    x = 14,032,816.43/4,743.08
  6. Step 6: Final answer
    x = 2,958.59

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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.