Home / 4,207.11-6,311.01-1,087.09

Finding the Fourth Proportional to 4,207.11, 6,311.01 and 1,087.09

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Solution

The fourth proportional to 4,207.11, 6,311.01 and 1,087.09 is: 1,630.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.11 : 6,311.01 = 1,087.09 : x
  2. Step 2: Convert to fraction form
    4,207.11/6,311.01 = 1,087.09/x
  3. Step 3: Cross multiply
    4,207.11x = 6,311.01 × 1,087.09
  4. Step 4: Simplify right side
    4,207.11x = 6,860,624.16
  5. Step 5: Solve for x
    x = 6,860,624.16/4,207.11
  6. Step 6: Final answer
    x = 1,630.72

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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.