Home / 4,485.38-6,728.91-1,563.62

Finding the Fourth Proportional to 4,485.38, 6,728.91 and 1,563.62

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Solution

The fourth proportional to 4,485.38, 6,728.91 and 1,563.62 is: 2,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.38 : 6,728.91 = 1,563.62 : x
  2. Step 2: Convert to fraction form
    4,485.38/6,728.91 = 1,563.62/x
  3. Step 3: Cross multiply
    4,485.38x = 6,728.91 × 1,563.62
  4. Step 4: Simplify right side
    4,485.38x = 10,521,458.25
  5. Step 5: Solve for x
    x = 10,521,458.25/4,485.38
  6. Step 6: Final answer
    x = 2,345.72

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1.5x scale

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.