Home / 5,623.60-8,430.60-3,974.96

Finding the Fourth Proportional to 5,623.60, 8,430.60 and 3,974.96

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Solution

The fourth proportional to 5,623.60, 8,430.60 and 3,974.96 is: 5,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.60 : 8,430.60 = 3,974.96 : x
  2. Step 2: Convert to fraction form
    5,623.60/8,430.60 = 3,974.96/x
  3. Step 3: Cross multiply
    5,623.60x = 8,430.60 × 3,974.96
  4. Step 4: Simplify right side
    5,623.60x = 33,511,297.78
  5. Step 5: Solve for x
    x = 33,511,297.78/5,623.60
  6. Step 6: Final answer
    x = 5,959.05

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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.