Home / 5,808.78-8,012.97-3,680.46

Finding the Fourth Proportional to 5,808.78, 8,012.97 and 3,680.46

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Solution

The fourth proportional to 5,808.78, 8,012.97 and 3,680.46 is: 5,077.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.78 : 8,012.97 = 3,680.46 : x
  2. Step 2: Convert to fraction form
    5,808.78/8,012.97 = 3,680.46/x
  3. Step 3: Cross multiply
    5,808.78x = 8,012.97 × 3,680.46
  4. Step 4: Simplify right side
    5,808.78x = 29,491,415.57
  5. Step 5: Solve for x
    x = 29,491,415.57/5,808.78
  6. Step 6: Final answer
    x = 5,077.04

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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.