Home / 4,069.40-6,105.30-2,885.72

Finding the Fourth Proportional to 4,069.40, 6,105.30 and 2,885.72

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Solution

The fourth proportional to 4,069.40, 6,105.30 and 2,885.72 is: 4,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.40 : 6,105.30 = 2,885.72 : x
  2. Step 2: Convert to fraction form
    4,069.40/6,105.30 = 2,885.72/x
  3. Step 3: Cross multiply
    4,069.40x = 6,105.30 × 2,885.72
  4. Step 4: Simplify right side
    4,069.40x = 17,618,155.79
  5. Step 5: Solve for x
    x = 17,618,155.79/4,069.40
  6. Step 6: Final answer
    x = 4,329.43

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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.