Home / 8,147.15-11,241.67-5,313.77

Finding the Fourth Proportional to 8,147.15, 11,241.67 and 5,313.77

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Solution

The fourth proportional to 8,147.15, 11,241.67 and 5,313.77 is: 7,332.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.15 : 11,241.67 = 5,313.77 : x
  2. Step 2: Convert to fraction form
    8,147.15/11,241.67 = 5,313.77/x
  3. Step 3: Cross multiply
    8,147.15x = 11,241.67 × 5,313.77
  4. Step 4: Simplify right side
    8,147.15x = 59,735,648.80
  5. Step 5: Solve for x
    x = 59,735,648.80/8,147.15
  6. Step 6: Final answer
    x = 7,332.09

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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.