Home / 4,688.62-6,469.81-2,698.79

Finding the Fourth Proportional to 4,688.62, 6,469.81 and 2,698.79

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Solution

The fourth proportional to 4,688.62, 6,469.81 and 2,698.79 is: 3,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.62 : 6,469.81 = 2,698.79 : x
  2. Step 2: Convert to fraction form
    4,688.62/6,469.81 = 2,698.79/x
  3. Step 3: Cross multiply
    4,688.62x = 6,469.81 × 2,698.79
  4. Step 4: Simplify right side
    4,688.62x = 17,460,658.53
  5. Step 5: Solve for x
    x = 17,460,658.53/4,688.62
  6. Step 6: Final answer
    x = 3,724.05

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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.