Home / 4,123.58-6,186.72-2,742.35

Finding the Fourth Proportional to 4,123.58, 6,186.72 and 2,742.35

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Solution

The fourth proportional to 4,123.58, 6,186.72 and 2,742.35 is: 4,114.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.58 : 6,186.72 = 2,742.35 : x
  2. Step 2: Convert to fraction form
    4,123.58/6,186.72 = 2,742.35/x
  3. Step 3: Cross multiply
    4,123.58x = 6,186.72 × 2,742.35
  4. Step 4: Simplify right side
    4,123.58x = 16,966,120.66
  5. Step 5: Solve for x
    x = 16,966,120.66/4,123.58
  6. Step 6: Final answer
    x = 4,114.42

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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.