Home / 4,216.20-6,315-2,235.84

Finding the Fourth Proportional to 4,216.20, 6,315 and 2,235.84

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Solution

The fourth proportional to 4,216.20, 6,315 and 2,235.84 is: 3,348.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.20 : 6,315 = 2,235.84 : x
  2. Step 2: Convert to fraction form
    4,216.20/6,315 = 2,235.84/x
  3. Step 3: Cross multiply
    4,216.20x = 6,315 × 2,235.84
  4. Step 4: Simplify right side
    4,216.20x = 14,119,329.60
  5. Step 5: Solve for x
    x = 14,119,329.60/4,216.20
  6. Step 6: Final answer
    x = 3,348.83

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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.