Home / 4,653.69-6,419.49-2,859.92

Finding the Fourth Proportional to 4,653.69, 6,419.49 and 2,859.92

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Solution

The fourth proportional to 4,653.69, 6,419.49 and 2,859.92 is: 3,945.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.69 : 6,419.49 = 2,859.92 : x
  2. Step 2: Convert to fraction form
    4,653.69/6,419.49 = 2,859.92/x
  3. Step 3: Cross multiply
    4,653.69x = 6,419.49 × 2,859.92
  4. Step 4: Simplify right side
    4,653.69x = 18,359,227.84
  5. Step 5: Solve for x
    x = 18,359,227.84/4,653.69
  6. Step 6: Final answer
    x = 3,945.09

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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.