Home / 4,106.79-6,156.87-1,640.94

Finding the Fourth Proportional to 4,106.79, 6,156.87 and 1,640.94

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Solution

The fourth proportional to 4,106.79, 6,156.87 and 1,640.94 is: 2,460.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.79 : 6,156.87 = 1,640.94 : x
  2. Step 2: Convert to fraction form
    4,106.79/6,156.87 = 1,640.94/x
  3. Step 3: Cross multiply
    4,106.79x = 6,156.87 × 1,640.94
  4. Step 4: Simplify right side
    4,106.79x = 10,103,054.26
  5. Step 5: Solve for x
    x = 10,103,054.26/4,106.79
  6. Step 6: Final answer
    x = 2,460.09

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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.