Home / 4,438-6,122.88-2,946.64

Finding the Fourth Proportional to 4,438, 6,122.88 and 2,946.64

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Solution

The fourth proportional to 4,438, 6,122.88 and 2,946.64 is: 4,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438 : 6,122.88 = 2,946.64 : x
  2. Step 2: Convert to fraction form
    4,438/6,122.88 = 2,946.64/x
  3. Step 3: Cross multiply
    4,438x = 6,122.88 × 2,946.64
  4. Step 4: Simplify right side
    4,438x = 18,041,923.12
  5. Step 5: Solve for x
    x = 18,041,923.12/4,438
  6. Step 6: Final answer
    x = 4,065.33

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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.