Home / 4,195.40-6,280.94-3,159.76

Finding the Fourth Proportional to 4,195.40, 6,280.94 and 3,159.76

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Solution

The fourth proportional to 4,195.40, 6,280.94 and 3,159.76 is: 4,730.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,195.40 : 6,280.94 = 3,159.76 : x
  2. Step 2: Convert to fraction form
    4,195.40/6,280.94 = 3,159.76/x
  3. Step 3: Cross multiply
    4,195.40x = 6,280.94 × 3,159.76
  4. Step 4: Simplify right side
    4,195.40x = 19,846,266.95
  5. Step 5: Solve for x
    x = 19,846,266.95/4,195.40
  6. Step 6: Final answer
    x = 4,730.49

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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.