Home / 4,213.24-6,319.98-3,387.58

Finding the Fourth Proportional to 4,213.24, 6,319.98 and 3,387.58

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Solution

The fourth proportional to 4,213.24, 6,319.98 and 3,387.58 is: 5,081.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.24 : 6,319.98 = 3,387.58 : x
  2. Step 2: Convert to fraction form
    4,213.24/6,319.98 = 3,387.58/x
  3. Step 3: Cross multiply
    4,213.24x = 6,319.98 × 3,387.58
  4. Step 4: Simplify right side
    4,213.24x = 21,409,437.85
  5. Step 5: Solve for x
    x = 21,409,437.85/4,213.24
  6. Step 6: Final answer
    x = 5,081.47

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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.