Home / 7,377.41-10,181.07-4,020.05

Finding the Fourth Proportional to 7,377.41, 10,181.07 and 4,020.05

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Solution

The fourth proportional to 7,377.41, 10,181.07 and 4,020.05 is: 5,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.41 : 10,181.07 = 4,020.05 : x
  2. Step 2: Convert to fraction form
    7,377.41/10,181.07 = 4,020.05/x
  3. Step 3: Cross multiply
    7,377.41x = 10,181.07 × 4,020.05
  4. Step 4: Simplify right side
    7,377.41x = 40,928,435.91
  5. Step 5: Solve for x
    x = 40,928,435.91/7,377.41
  6. Step 6: Final answer
    x = 5,547.80

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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.