Home / 6,138.34-8,474.12-4,791.06

Finding the Fourth Proportional to 6,138.34, 8,474.12 and 4,791.06

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Solution

The fourth proportional to 6,138.34, 8,474.12 and 4,791.06 is: 6,614.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.34 : 8,474.12 = 4,791.06 : x
  2. Step 2: Convert to fraction form
    6,138.34/8,474.12 = 4,791.06/x
  3. Step 3: Cross multiply
    6,138.34x = 8,474.12 × 4,791.06
  4. Step 4: Simplify right side
    6,138.34x = 40,599,993.41
  5. Step 5: Solve for x
    x = 40,599,993.41/6,138.34
  6. Step 6: Final answer
    x = 6,614.17

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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.