Home / 4,214.77-6,320.79-1,402.85

Finding the Fourth Proportional to 4,214.77, 6,320.79 and 1,402.85

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Solution

The fourth proportional to 4,214.77, 6,320.79 and 1,402.85 is: 2,103.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.77 : 6,320.79 = 1,402.85 : x
  2. Step 2: Convert to fraction form
    4,214.77/6,320.79 = 1,402.85/x
  3. Step 3: Cross multiply
    4,214.77x = 6,320.79 × 1,402.85
  4. Step 4: Simplify right side
    4,214.77x = 8,867,136.05
  5. Step 5: Solve for x
    x = 8,867,136.05/4,214.77
  6. Step 6: Final answer
    x = 2,103.83

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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.