Home / 4,436.21-6,641.03-4,278.50

Finding the Fourth Proportional to 4,436.21, 6,641.03 and 4,278.50

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Solution

The fourth proportional to 4,436.21, 6,641.03 and 4,278.50 is: 6,404.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,436.21 : 6,641.03 = 4,278.50 : x
  2. Step 2: Convert to fraction form
    4,436.21/6,641.03 = 4,278.50/x
  3. Step 3: Cross multiply
    4,436.21x = 6,641.03 × 4,278.50
  4. Step 4: Simplify right side
    4,436.21x = 28,413,613.65
  5. Step 5: Solve for x
    x = 28,413,613.65/4,436.21
  6. Step 6: Final answer
    x = 6,404.93

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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.