Home / 5,341.60-8,010.96-3,620.80

Finding the Fourth Proportional to 5,341.60, 8,010.96 and 3,620.80

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Solution

The fourth proportional to 5,341.60, 8,010.96 and 3,620.80 is: 5,430.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,341.60 : 8,010.96 = 3,620.80 : x
  2. Step 2: Convert to fraction form
    5,341.60/8,010.96 = 3,620.80/x
  3. Step 3: Cross multiply
    5,341.60x = 8,010.96 × 3,620.80
  4. Step 4: Simplify right side
    5,341.60x = 29,006,083.97
  5. Step 5: Solve for x
    x = 29,006,083.97/5,341.60
  6. Step 6: Final answer
    x = 5,430.22

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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.