Home / 4,123.50-6,187.68-1,783.44

Finding the Fourth Proportional to 4,123.50, 6,187.68 and 1,783.44

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Solution

The fourth proportional to 4,123.50, 6,187.68 and 1,783.44 is: 2,676.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.50 : 6,187.68 = 1,783.44 : x
  2. Step 2: Convert to fraction form
    4,123.50/6,187.68 = 1,783.44/x
  3. Step 3: Cross multiply
    4,123.50x = 6,187.68 × 1,783.44
  4. Step 4: Simplify right side
    4,123.50x = 11,035,356.02
  5. Step 5: Solve for x
    x = 11,035,356.02/4,123.50
  6. Step 6: Final answer
    x = 2,676.21

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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.