Home / 7,377.91-10,181.26-4,020.65

Finding the Fourth Proportional to 7,377.91, 10,181.26 and 4,020.65

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Solution

The fourth proportional to 7,377.91, 10,181.26 and 4,020.65 is: 5,548.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.91 : 10,181.26 = 4,020.65 : x
  2. Step 2: Convert to fraction form
    7,377.91/10,181.26 = 4,020.65/x
  3. Step 3: Cross multiply
    7,377.91x = 10,181.26 × 4,020.65
  4. Step 4: Simplify right side
    7,377.91x = 40,935,298.42
  5. Step 5: Solve for x
    x = 40,935,298.42/7,377.91
  6. Step 6: Final answer
    x = 5,548.36

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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.