Home / 5,572.12-8,363.40-3,724.60

Finding the Fourth Proportional to 5,572.12, 8,363.40 and 3,724.60

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Solution

The fourth proportional to 5,572.12, 8,363.40 and 3,724.60 is: 5,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.12 : 8,363.40 = 3,724.60 : x
  2. Step 2: Convert to fraction form
    5,572.12/8,363.40 = 3,724.60/x
  3. Step 3: Cross multiply
    5,572.12x = 8,363.40 × 3,724.60
  4. Step 4: Simplify right side
    5,572.12x = 31,150,319.64
  5. Step 5: Solve for x
    x = 31,150,319.64/5,572.12
  6. Step 6: Final answer
    x = 5,590.39

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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.