Home / 6,180.78-8,528.19-3,529.05

Finding the Fourth Proportional to 6,180.78, 8,528.19 and 3,529.05

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Solution

The fourth proportional to 6,180.78, 8,528.19 and 3,529.05 is: 4,869.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.78 : 8,528.19 = 3,529.05 : x
  2. Step 2: Convert to fraction form
    6,180.78/8,528.19 = 3,529.05/x
  3. Step 3: Cross multiply
    6,180.78x = 8,528.19 × 3,529.05
  4. Step 4: Simplify right side
    6,180.78x = 30,096,408.92
  5. Step 5: Solve for x
    x = 30,096,408.92/6,180.78
  6. Step 6: Final answer
    x = 4,869.35

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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.