Home / 4,213.23-6,319.86-4,111.74

Finding the Fourth Proportional to 4,213.23, 6,319.86 and 4,111.74

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Solution

The fourth proportional to 4,213.23, 6,319.86 and 4,111.74 is: 6,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.23 : 6,319.86 = 4,111.74 : x
  2. Step 2: Convert to fraction form
    4,213.23/6,319.86 = 4,111.74/x
  3. Step 3: Cross multiply
    4,213.23x = 6,319.86 × 4,111.74
  4. Step 4: Simplify right side
    4,213.23x = 25,985,621.16
  5. Step 5: Solve for x
    x = 25,985,621.16/4,213.23
  6. Step 6: Final answer
    x = 6,167.62

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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.