Home / 4,579.70-6,869.55-2,113.79

Finding the Fourth Proportional to 4,579.70, 6,869.55 and 2,113.79

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Solution

The fourth proportional to 4,579.70, 6,869.55 and 2,113.79 is: 3,170.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.70 : 6,869.55 = 2,113.79 : x
  2. Step 2: Convert to fraction form
    4,579.70/6,869.55 = 2,113.79/x
  3. Step 3: Cross multiply
    4,579.70x = 6,869.55 × 2,113.79
  4. Step 4: Simplify right side
    4,579.70x = 14,520,786.09
  5. Step 5: Solve for x
    x = 14,520,786.09/4,579.70
  6. Step 6: Final answer
    x = 3,170.69

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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.