Home / 7,377.87-10,181.33-4,020.71

Finding the Fourth Proportional to 7,377.87, 10,181.33 and 4,020.71

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Solution

The fourth proportional to 7,377.87, 10,181.33 and 4,020.71 is: 5,548.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.87 : 10,181.33 = 4,020.71 : x
  2. Step 2: Convert to fraction form
    7,377.87/10,181.33 = 4,020.71/x
  3. Step 3: Cross multiply
    7,377.87x = 10,181.33 × 4,020.71
  4. Step 4: Simplify right side
    7,377.87x = 40,936,129.79
  5. Step 5: Solve for x
    x = 40,936,129.79/7,377.87
  6. Step 6: Final answer
    x = 5,548.50

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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.