Home / 4,573.45-6,854.71-2,105.79

Finding the Fourth Proportional to 4,573.45, 6,854.71 and 2,105.79

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Solution

The fourth proportional to 4,573.45, 6,854.71 and 2,105.79 is: 3,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,573.45 : 6,854.71 = 2,105.79 : x
  2. Step 2: Convert to fraction form
    4,573.45/6,854.71 = 2,105.79/x
  3. Step 3: Cross multiply
    4,573.45x = 6,854.71 × 2,105.79
  4. Step 4: Simplify right side
    4,573.45x = 14,434,579.77
  5. Step 5: Solve for x
    x = 14,434,579.77/4,573.45
  6. Step 6: Final answer
    x = 3,156.17

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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.