Home / 6,107.94-8,428.56-3,418.71

Finding the Fourth Proportional to 6,107.94, 8,428.56 and 3,418.71

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Solution

The fourth proportional to 6,107.94, 8,428.56 and 3,418.71 is: 4,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.94 : 8,428.56 = 3,418.71 : x
  2. Step 2: Convert to fraction form
    6,107.94/8,428.56 = 3,418.71/x
  3. Step 3: Cross multiply
    6,107.94x = 8,428.56 × 3,418.71
  4. Step 4: Simplify right side
    6,107.94x = 28,814,802.36
  5. Step 5: Solve for x
    x = 28,814,802.36/6,107.94
  6. Step 6: Final answer
    x = 4,717.60

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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.