Home / 5,581.35-8,373.40-2,577.99

Finding the Fourth Proportional to 5,581.35, 8,373.40 and 2,577.99

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Solution

The fourth proportional to 5,581.35, 8,373.40 and 2,577.99 is: 3,867.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.35 : 8,373.40 = 2,577.99 : x
  2. Step 2: Convert to fraction form
    5,581.35/8,373.40 = 2,577.99/x
  3. Step 3: Cross multiply
    5,581.35x = 8,373.40 × 2,577.99
  4. Step 4: Simplify right side
    5,581.35x = 21,586,541.47
  5. Step 5: Solve for x
    x = 21,586,541.47/5,581.35
  6. Step 6: Final answer
    x = 3,867.62

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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.