Home / 4,778.58-7,160.57-2,003.75

Finding the Fourth Proportional to 4,778.58, 7,160.57 and 2,003.75

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Solution

The fourth proportional to 4,778.58, 7,160.57 and 2,003.75 is: 3,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.58 : 7,160.57 = 2,003.75 : x
  2. Step 2: Convert to fraction form
    4,778.58/7,160.57 = 2,003.75/x
  3. Step 3: Cross multiply
    4,778.58x = 7,160.57 × 2,003.75
  4. Step 4: Simplify right side
    4,778.58x = 14,347,946.32
  5. Step 5: Solve for x
    x = 14,347,946.32/4,778.58
  6. Step 6: Final answer
    x = 3,002.55

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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.