Home / 6,842.21-10,263.38-3,918.51

Finding the Fourth Proportional to 6,842.21, 10,263.38 and 3,918.51

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Solution

The fourth proportional to 6,842.21, 10,263.38 and 3,918.51 is: 5,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,842.21 : 10,263.38 = 3,918.51 : x
  2. Step 2: Convert to fraction form
    6,842.21/10,263.38 = 3,918.51/x
  3. Step 3: Cross multiply
    6,842.21x = 10,263.38 × 3,918.51
  4. Step 4: Simplify right side
    6,842.21x = 40,217,137.57
  5. Step 5: Solve for x
    x = 40,217,137.57/6,842.21
  6. Step 6: Final answer
    x = 5,877.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.