Home / 7,926.66-11,885.94-4,228.20

Finding the Fourth Proportional to 7,926.66, 11,885.94 and 4,228.20

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Solution

The fourth proportional to 7,926.66, 11,885.94 and 4,228.20 is: 6,340.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.66 : 11,885.94 = 4,228.20 : x
  2. Step 2: Convert to fraction form
    7,926.66/11,885.94 = 4,228.20/x
  3. Step 3: Cross multiply
    7,926.66x = 11,885.94 × 4,228.20
  4. Step 4: Simplify right side
    7,926.66x = 50,256,131.51
  5. Step 5: Solve for x
    x = 50,256,131.51/7,926.66
  6. Step 6: Final answer
    x = 6,340.14

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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.