Home / 8,277.67-11,423.60-5,134.87

Finding the Fourth Proportional to 8,277.67, 11,423.60 and 5,134.87

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Solution

The fourth proportional to 8,277.67, 11,423.60 and 5,134.87 is: 7,086.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277.67 : 11,423.60 = 5,134.87 : x
  2. Step 2: Convert to fraction form
    8,277.67/11,423.60 = 5,134.87/x
  3. Step 3: Cross multiply
    8,277.67x = 11,423.60 × 5,134.87
  4. Step 4: Simplify right side
    8,277.67x = 58,658,700.93
  5. Step 5: Solve for x
    x = 58,658,700.93/8,277.67
  6. Step 6: Final answer
    x = 7,086.38

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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.