Home / 8,254.27-11,390.79-4,477.38

Finding the Fourth Proportional to 8,254.27, 11,390.79 and 4,477.38

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Solution

The fourth proportional to 8,254.27, 11,390.79 and 4,477.38 is: 6,178.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.27 : 11,390.79 = 4,477.38 : x
  2. Step 2: Convert to fraction form
    8,254.27/11,390.79 = 4,477.38/x
  3. Step 3: Cross multiply
    8,254.27x = 11,390.79 × 4,477.38
  4. Step 4: Simplify right side
    8,254.27x = 51,000,895.33
  5. Step 5: Solve for x
    x = 51,000,895.33/8,254.27
  6. Step 6: Final answer
    x = 6,178.73

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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.