Home / 4,428.36-6,106.32-2,855.88

Finding the Fourth Proportional to 4,428.36, 6,106.32 and 2,855.88

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Solution

The fourth proportional to 4,428.36, 6,106.32 and 2,855.88 is: 3,938.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.36 : 6,106.32 = 2,855.88 : x
  2. Step 2: Convert to fraction form
    4,428.36/6,106.32 = 2,855.88/x
  3. Step 3: Cross multiply
    4,428.36x = 6,106.32 × 2,855.88
  4. Step 4: Simplify right side
    4,428.36x = 17,438,917.16
  5. Step 5: Solve for x
    x = 17,438,917.16/4,428.36
  6. Step 6: Final answer
    x = 3,938.01

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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.