Home / 4,123.44-6,178.16-2,947.46

Finding the Fourth Proportional to 4,123.44, 6,178.16 and 2,947.46

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Solution

The fourth proportional to 4,123.44, 6,178.16 and 2,947.46 is: 4,416.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.44 : 6,178.16 = 2,947.46 : x
  2. Step 2: Convert to fraction form
    4,123.44/6,178.16 = 2,947.46/x
  3. Step 3: Cross multiply
    4,123.44x = 6,178.16 × 2,947.46
  4. Step 4: Simplify right side
    4,123.44x = 18,209,855.95
  5. Step 5: Solve for x
    x = 18,209,855.95/4,123.44
  6. Step 6: Final answer
    x = 4,416.18

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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.