Home / 4,164.54-6,246.08-1,390.90

Finding the Fourth Proportional to 4,164.54, 6,246.08 and 1,390.90

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Solution

The fourth proportional to 4,164.54, 6,246.08 and 1,390.90 is: 2,086.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,164.54 : 6,246.08 = 1,390.90 : x
  2. Step 2: Convert to fraction form
    4,164.54/6,246.08 = 1,390.90/x
  3. Step 3: Cross multiply
    4,164.54x = 6,246.08 × 1,390.90
  4. Step 4: Simplify right side
    4,164.54x = 8,687,672.67
  5. Step 5: Solve for x
    x = 8,687,672.67/4,164.54
  6. Step 6: Final answer
    x = 2,086.11

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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.