Home / 5,182.81-7,149.94-3,193.45

Finding the Fourth Proportional to 5,182.81, 7,149.94 and 3,193.45

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Solution

The fourth proportional to 5,182.81, 7,149.94 and 3,193.45 is: 4,405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.81 : 7,149.94 = 3,193.45 : x
  2. Step 2: Convert to fraction form
    5,182.81/7,149.94 = 3,193.45/x
  3. Step 3: Cross multiply
    5,182.81x = 7,149.94 × 3,193.45
  4. Step 4: Simplify right side
    5,182.81x = 22,832,975.89
  5. Step 5: Solve for x
    x = 22,832,975.89/5,182.81
  6. Step 6: Final answer
    x = 4,405.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.