Home / 4,226.16-6,339.24-1,918.32

Finding the Fourth Proportional to 4,226.16, 6,339.24 and 1,918.32

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Solution

The fourth proportional to 4,226.16, 6,339.24 and 1,918.32 is: 2,877.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,226.16 : 6,339.24 = 1,918.32 : x
  2. Step 2: Convert to fraction form
    4,226.16/6,339.24 = 1,918.32/x
  3. Step 3: Cross multiply
    4,226.16x = 6,339.24 × 1,918.32
  4. Step 4: Simplify right side
    4,226.16x = 12,160,690.88
  5. Step 5: Solve for x
    x = 12,160,690.88/4,226.16
  6. Step 6: Final answer
    x = 2,877.48

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Similar ratio
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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.