Home / 5,629.73-7,769.09-3,077.57

Finding the Fourth Proportional to 5,629.73, 7,769.09 and 3,077.57

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Solution

The fourth proportional to 5,629.73, 7,769.09 and 3,077.57 is: 4,247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.73 : 7,769.09 = 3,077.57 : x
  2. Step 2: Convert to fraction form
    5,629.73/7,769.09 = 3,077.57/x
  3. Step 3: Cross multiply
    5,629.73x = 7,769.09 × 3,077.57
  4. Step 4: Simplify right side
    5,629.73x = 23,909,864.08
  5. Step 5: Solve for x
    x = 23,909,864.08/5,629.73
  6. Step 6: Final answer
    x = 4,247.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.