Home / 4,607.20-6,351.78-3,975.40

Finding the Fourth Proportional to 4,607.20, 6,351.78 and 3,975.40

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Solution

The fourth proportional to 4,607.20, 6,351.78 and 3,975.40 is: 5,480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.20 : 6,351.78 = 3,975.40 : x
  2. Step 2: Convert to fraction form
    4,607.20/6,351.78 = 3,975.40/x
  3. Step 3: Cross multiply
    4,607.20x = 6,351.78 × 3,975.40
  4. Step 4: Simplify right side
    4,607.20x = 25,250,866.21
  5. Step 5: Solve for x
    x = 25,250,866.21/4,607.20
  6. Step 6: Final answer
    x = 5,480.74

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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.