Home / 4,226.60-6,342.46-1,918.12

Finding the Fourth Proportional to 4,226.60, 6,342.46 and 1,918.12

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Solution

The fourth proportional to 4,226.60, 6,342.46 and 1,918.12 is: 2,878.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,226.60 : 6,342.46 = 1,918.12 : x
  2. Step 2: Convert to fraction form
    4,226.60/6,342.46 = 1,918.12/x
  3. Step 3: Cross multiply
    4,226.60x = 6,342.46 × 1,918.12
  4. Step 4: Simplify right side
    4,226.60x = 12,165,599.38
  5. Step 5: Solve for x
    x = 12,165,599.38/4,226.60
  6. Step 6: Final answer
    x = 2,878.34

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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.