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Finding the Fourth Proportional to 6,149.51, 8,465.81 and 5,867.07

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Solution

The fourth proportional to 6,149.51, 8,465.81 and 5,867.07 is: 8,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.51 : 8,465.81 = 5,867.07 : x
  2. Step 2: Convert to fraction form
    6,149.51/8,465.81 = 5,867.07/x
  3. Step 3: Cross multiply
    6,149.51x = 8,465.81 × 5,867.07
  4. Step 4: Simplify right side
    6,149.51x = 49,669,499.88
  5. Step 5: Solve for x
    x = 49,669,499.88/6,149.51
  6. Step 6: Final answer
    x = 8,076.98

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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.