Home / 8,285.32-12,427.89-3,353.62

Finding the Fourth Proportional to 8,285.32, 12,427.89 and 3,353.62

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Solution

The fourth proportional to 8,285.32, 12,427.89 and 3,353.62 is: 5,030.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.32 : 12,427.89 = 3,353.62 : x
  2. Step 2: Convert to fraction form
    8,285.32/12,427.89 = 3,353.62/x
  3. Step 3: Cross multiply
    8,285.32x = 12,427.89 × 3,353.62
  4. Step 4: Simplify right side
    8,285.32x = 41,678,420.46
  5. Step 5: Solve for x
    x = 41,678,420.46/8,285.32
  6. Step 6: Final answer
    x = 5,030.39

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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.