Home / 4,428.72-6,110.40-2,660.64

Finding the Fourth Proportional to 4,428.72, 6,110.40 and 2,660.64

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Solution

The fourth proportional to 4,428.72, 6,110.40 and 2,660.64 is: 3,670.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.72 : 6,110.40 = 2,660.64 : x
  2. Step 2: Convert to fraction form
    4,428.72/6,110.40 = 2,660.64/x
  3. Step 3: Cross multiply
    4,428.72x = 6,110.40 × 2,660.64
  4. Step 4: Simplify right side
    4,428.72x = 16,257,574.66
  5. Step 5: Solve for x
    x = 16,257,574.66/4,428.72
  6. Step 6: Final answer
    x = 3,670.94

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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.