Home / 4,406.88-6,603-3,105.60

Finding the Fourth Proportional to 4,406.88, 6,603 and 3,105.60

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Solution

The fourth proportional to 4,406.88, 6,603 and 3,105.60 is: 4,653.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,406.88 : 6,603 = 3,105.60 : x
  2. Step 2: Convert to fraction form
    4,406.88/6,603 = 3,105.60/x
  3. Step 3: Cross multiply
    4,406.88x = 6,603 × 3,105.60
  4. Step 4: Simplify right side
    4,406.88x = 20,506,276.80
  5. Step 5: Solve for x
    x = 20,506,276.80/4,406.88
  6. Step 6: Final answer
    x = 4,653.24

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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.