Home / 4,378.67-6,043.58-2,886.85

Finding the Fourth Proportional to 4,378.67, 6,043.58 and 2,886.85

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Solution

The fourth proportional to 4,378.67, 6,043.58 and 2,886.85 is: 3,984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.67 : 6,043.58 = 2,886.85 : x
  2. Step 2: Convert to fraction form
    4,378.67/6,043.58 = 2,886.85/x
  3. Step 3: Cross multiply
    4,378.67x = 6,043.58 × 2,886.85
  4. Step 4: Simplify right side
    4,378.67x = 17,446,908.92
  5. Step 5: Solve for x
    x = 17,446,908.92/4,378.67
  6. Step 6: Final answer
    x = 3,984.52

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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.