Home / 5,629.16-7,768.14-3,111.27

Finding the Fourth Proportional to 5,629.16, 7,768.14 and 3,111.27

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Solution

The fourth proportional to 5,629.16, 7,768.14 and 3,111.27 is: 4,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.16 : 7,768.14 = 3,111.27 : x
  2. Step 2: Convert to fraction form
    5,629.16/7,768.14 = 3,111.27/x
  3. Step 3: Cross multiply
    5,629.16x = 7,768.14 × 3,111.27
  4. Step 4: Simplify right side
    5,629.16x = 24,168,765.38
  5. Step 5: Solve for x
    x = 24,168,765.38/5,629.16
  6. Step 6: Final answer
    x = 4,293.50

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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.