Home / 4,147.96-6,221.33-1,376.55

Finding the Fourth Proportional to 4,147.96, 6,221.33 and 1,376.55

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Solution

The fourth proportional to 4,147.96, 6,221.33 and 1,376.55 is: 2,064.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.96 : 6,221.33 = 1,376.55 : x
  2. Step 2: Convert to fraction form
    4,147.96/6,221.33 = 1,376.55/x
  3. Step 3: Cross multiply
    4,147.96x = 6,221.33 × 1,376.55
  4. Step 4: Simplify right side
    4,147.96x = 8,563,971.81
  5. Step 5: Solve for x
    x = 8,563,971.81/4,147.96
  6. Step 6: Final answer
    x = 2,064.62

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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.