Home / 4,176.80-6,274.80-2,947.04

Finding the Fourth Proportional to 4,176.80, 6,274.80 and 2,947.04

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Solution

The fourth proportional to 4,176.80, 6,274.80 and 2,947.04 is: 4,427.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176.80 : 6,274.80 = 2,947.04 : x
  2. Step 2: Convert to fraction form
    4,176.80/6,274.80 = 2,947.04/x
  3. Step 3: Cross multiply
    4,176.80x = 6,274.80 × 2,947.04
  4. Step 4: Simplify right side
    4,176.80x = 18,492,086.59
  5. Step 5: Solve for x
    x = 18,492,086.59/4,176.80
  6. Step 6: Final answer
    x = 4,427.33

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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.