Home / 4,213.44-6,319.92-1,291.74

Finding the Fourth Proportional to 4,213.44, 6,319.92 and 1,291.74

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Solution

The fourth proportional to 4,213.44, 6,319.92 and 1,291.74 is: 1,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.44 : 6,319.92 = 1,291.74 : x
  2. Step 2: Convert to fraction form
    4,213.44/6,319.92 = 1,291.74/x
  3. Step 3: Cross multiply
    4,213.44x = 6,319.92 × 1,291.74
  4. Step 4: Simplify right side
    4,213.44x = 8,163,693.46
  5. Step 5: Solve for x
    x = 8,163,693.46/4,213.44
  6. Step 6: Final answer
    x = 1,937.54

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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.