Home / 5,445.40-8,166.70-2,520.84

Finding the Fourth Proportional to 5,445.40, 8,166.70 and 2,520.84

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Solution

The fourth proportional to 5,445.40, 8,166.70 and 2,520.84 is: 3,780.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.40 : 8,166.70 = 2,520.84 : x
  2. Step 2: Convert to fraction form
    5,445.40/8,166.70 = 2,520.84/x
  3. Step 3: Cross multiply
    5,445.40x = 8,166.70 × 2,520.84
  4. Step 4: Simplify right side
    5,445.40x = 20,586,944.03
  5. Step 5: Solve for x
    x = 20,586,944.03/5,445.40
  6. Step 6: Final answer
    x = 3,780.61

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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.