Home / 5,077.72-7,582.26-4,155.08

Finding the Fourth Proportional to 5,077.72, 7,582.26 and 4,155.08

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Solution

The fourth proportional to 5,077.72, 7,582.26 and 4,155.08 is: 6,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.72 : 7,582.26 = 4,155.08 : x
  2. Step 2: Convert to fraction form
    5,077.72/7,582.26 = 4,155.08/x
  3. Step 3: Cross multiply
    5,077.72x = 7,582.26 × 4,155.08
  4. Step 4: Simplify right side
    5,077.72x = 31,504,896.88
  5. Step 5: Solve for x
    x = 31,504,896.88/5,077.72
  6. Step 6: Final answer
    x = 6,204.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.