Home / 4,478.19-6,178.58-3,808.42

Finding the Fourth Proportional to 4,478.19, 6,178.58 and 3,808.42

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Solution

The fourth proportional to 4,478.19, 6,178.58 and 3,808.42 is: 5,254.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.19 : 6,178.58 = 3,808.42 : x
  2. Step 2: Convert to fraction form
    4,478.19/6,178.58 = 3,808.42/x
  3. Step 3: Cross multiply
    4,478.19x = 6,178.58 × 3,808.42
  4. Step 4: Simplify right side
    4,478.19x = 23,530,607.44
  5. Step 5: Solve for x
    x = 23,530,607.44/4,478.19
  6. Step 6: Final answer
    x = 5,254.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.