Home / 6,471.20-8,930.24-3,676.70

Finding the Fourth Proportional to 6,471.20, 8,930.24 and 3,676.70

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Solution

The fourth proportional to 6,471.20, 8,930.24 and 3,676.70 is: 5,073.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471.20 : 8,930.24 = 3,676.70 : x
  2. Step 2: Convert to fraction form
    6,471.20/8,930.24 = 3,676.70/x
  3. Step 3: Cross multiply
    6,471.20x = 8,930.24 × 3,676.70
  4. Step 4: Simplify right side
    6,471.20x = 32,833,813.41
  5. Step 5: Solve for x
    x = 32,833,813.41/6,471.20
  6. Step 6: Final answer
    x = 5,073.84

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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.