Home / 5,861.60-8,088.90-3,208.96

Finding the Fourth Proportional to 5,861.60, 8,088.90 and 3,208.96

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Solution

The fourth proportional to 5,861.60, 8,088.90 and 3,208.96 is: 4,428.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.60 : 8,088.90 = 3,208.96 : x
  2. Step 2: Convert to fraction form
    5,861.60/8,088.90 = 3,208.96/x
  3. Step 3: Cross multiply
    5,861.60x = 8,088.90 × 3,208.96
  4. Step 4: Simplify right side
    5,861.60x = 25,956,956.54
  5. Step 5: Solve for x
    x = 25,956,956.54/5,861.60
  6. Step 6: Final answer
    x = 4,428.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.