Home / 4,216.55-6,319.70-2,984.32

Finding the Fourth Proportional to 4,216.55, 6,319.70 and 2,984.32

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Solution

The fourth proportional to 4,216.55, 6,319.70 and 2,984.32 is: 4,472.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.55 : 6,319.70 = 2,984.32 : x
  2. Step 2: Convert to fraction form
    4,216.55/6,319.70 = 2,984.32/x
  3. Step 3: Cross multiply
    4,216.55x = 6,319.70 × 2,984.32
  4. Step 4: Simplify right side
    4,216.55x = 18,859,960.58
  5. Step 5: Solve for x
    x = 18,859,960.58/4,216.55
  6. Step 6: Final answer
    x = 4,472.84

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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.