Home / 6,107.19-8,428.53-3,717.33

Finding the Fourth Proportional to 6,107.19, 8,428.53 and 3,717.33

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Solution

The fourth proportional to 6,107.19, 8,428.53 and 3,717.33 is: 5,130.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.19 : 8,428.53 = 3,717.33 : x
  2. Step 2: Convert to fraction form
    6,107.19/8,428.53 = 3,717.33/x
  3. Step 3: Cross multiply
    6,107.19x = 8,428.53 × 3,717.33
  4. Step 4: Simplify right side
    6,107.19x = 31,331,627.42
  5. Step 5: Solve for x
    x = 31,331,627.42/6,107.19
  6. Step 6: Final answer
    x = 5,130.29

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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.