Home / 4,485.66-6,728.64-3,711.72

Finding the Fourth Proportional to 4,485.66, 6,728.64 and 3,711.72

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Solution

The fourth proportional to 4,485.66, 6,728.64 and 3,711.72 is: 5,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.66 : 6,728.64 = 3,711.72 : x
  2. Step 2: Convert to fraction form
    4,485.66/6,728.64 = 3,711.72/x
  3. Step 3: Cross multiply
    4,485.66x = 6,728.64 × 3,711.72
  4. Step 4: Simplify right side
    4,485.66x = 24,974,827.66
  5. Step 5: Solve for x
    x = 24,974,827.66/4,485.66
  6. Step 6: Final answer
    x = 5,567.70

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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.