Home / 4,698.87-6,478.27-3,902.91

Finding the Fourth Proportional to 4,698.87, 6,478.27 and 3,902.91

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Solution

The fourth proportional to 4,698.87, 6,478.27 and 3,902.91 is: 5,380.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,698.87 : 6,478.27 = 3,902.91 : x
  2. Step 2: Convert to fraction form
    4,698.87/6,478.27 = 3,902.91/x
  3. Step 3: Cross multiply
    4,698.87x = 6,478.27 × 3,902.91
  4. Step 4: Simplify right side
    4,698.87x = 25,284,104.77
  5. Step 5: Solve for x
    x = 25,284,104.77/4,698.87
  6. Step 6: Final answer
    x = 5,380.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.