Home / 6,388.34-9,581.07-1,771.70

Finding the Fourth Proportional to 6,388.34, 9,581.07 and 1,771.70

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Solution

The fourth proportional to 6,388.34, 9,581.07 and 1,771.70 is: 2,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.34 : 9,581.07 = 1,771.70 : x
  2. Step 2: Convert to fraction form
    6,388.34/9,581.07 = 1,771.70/x
  3. Step 3: Cross multiply
    6,388.34x = 9,581.07 × 1,771.70
  4. Step 4: Simplify right side
    6,388.34x = 16,974,781.72
  5. Step 5: Solve for x
    x = 16,974,781.72/6,388.34
  6. Step 6: Final answer
    x = 2,657.15

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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.