Home / 5,212.76-7,187.33-4,147.27

Finding the Fourth Proportional to 5,212.76, 7,187.33 and 4,147.27

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Solution

The fourth proportional to 5,212.76, 7,187.33 and 4,147.27 is: 5,718.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.76 : 7,187.33 = 4,147.27 : x
  2. Step 2: Convert to fraction form
    5,212.76/7,187.33 = 4,147.27/x
  3. Step 3: Cross multiply
    5,212.76x = 7,187.33 × 4,147.27
  4. Step 4: Simplify right side
    5,212.76x = 29,807,790.49
  5. Step 5: Solve for x
    x = 29,807,790.49/5,212.76
  6. Step 6: Final answer
    x = 5,718.24

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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.