Home / 7,377.89-10,181.36-4,020.77

Finding the Fourth Proportional to 7,377.89, 10,181.36 and 4,020.77

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Solution

The fourth proportional to 7,377.89, 10,181.36 and 4,020.77 is: 5,548.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.89 : 10,181.36 = 4,020.77 : x
  2. Step 2: Convert to fraction form
    7,377.89/10,181.36 = 4,020.77/x
  3. Step 3: Cross multiply
    7,377.89x = 10,181.36 × 4,020.77
  4. Step 4: Simplify right side
    7,377.89x = 40,936,835.84
  5. Step 5: Solve for x
    x = 40,936,835.84/7,377.89
  6. Step 6: Final answer
    x = 5,548.59

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Double scale
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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.