Home / 5,427.10-8,140.65-3,234.70

Finding the Fourth Proportional to 5,427.10, 8,140.65 and 3,234.70

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Solution

The fourth proportional to 5,427.10, 8,140.65 and 3,234.70 is: 4,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.10 : 8,140.65 = 3,234.70 : x
  2. Step 2: Convert to fraction form
    5,427.10/8,140.65 = 3,234.70/x
  3. Step 3: Cross multiply
    5,427.10x = 8,140.65 × 3,234.70
  4. Step 4: Simplify right side
    5,427.10x = 26,332,560.56
  5. Step 5: Solve for x
    x = 26,332,560.56/5,427.10
  6. Step 6: Final answer
    x = 4,852.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.