Home / 6,138.07-8,470.62-3,343.57

Finding the Fourth Proportional to 6,138.07, 8,470.62 and 3,343.57

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Solution

The fourth proportional to 6,138.07, 8,470.62 and 3,343.57 is: 4,614.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.07 : 8,470.62 = 3,343.57 : x
  2. Step 2: Convert to fraction form
    6,138.07/8,470.62 = 3,343.57/x
  3. Step 3: Cross multiply
    6,138.07x = 8,470.62 × 3,343.57
  4. Step 4: Simplify right side
    6,138.07x = 28,322,051.84
  5. Step 5: Solve for x
    x = 28,322,051.84/6,138.07
  6. Step 6: Final answer
    x = 4,614.17

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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.