Home / 5,220.60-7,830.50-2,446.56

Finding the Fourth Proportional to 5,220.60, 7,830.50 and 2,446.56

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Solution

The fourth proportional to 5,220.60, 7,830.50 and 2,446.56 is: 3,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.60 : 7,830.50 = 2,446.56 : x
  2. Step 2: Convert to fraction form
    5,220.60/7,830.50 = 2,446.56/x
  3. Step 3: Cross multiply
    5,220.60x = 7,830.50 × 2,446.56
  4. Step 4: Simplify right side
    5,220.60x = 19,157,775.85
  5. Step 5: Solve for x
    x = 19,157,775.85/5,220.60
  6. Step 6: Final answer
    x = 3,669.65

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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.