Home / 7,377.90-10,181.36-4,020.74

Finding the Fourth Proportional to 7,377.90, 10,181.36 and 4,020.74

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Solution

The fourth proportional to 7,377.90, 10,181.36 and 4,020.74 is: 5,548.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.90 : 10,181.36 = 4,020.74 : x
  2. Step 2: Convert to fraction form
    7,377.90/10,181.36 = 4,020.74/x
  3. Step 3: Cross multiply
    7,377.90x = 10,181.36 × 4,020.74
  4. Step 4: Simplify right side
    7,377.90x = 40,936,598.73
  5. Step 5: Solve for x
    x = 40,936,598.73/7,377.90
  6. Step 6: Final answer
    x = 5,548.55

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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.