Home / 6,214.56-8,577.05-3,981.75

Finding the Fourth Proportional to 6,214.56, 8,577.05 and 3,981.75

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Solution

The fourth proportional to 6,214.56, 8,577.05 and 3,981.75 is: 5,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,214.56 : 8,577.05 = 3,981.75 : x
  2. Step 2: Convert to fraction form
    6,214.56/8,577.05 = 3,981.75/x
  3. Step 3: Cross multiply
    6,214.56x = 8,577.05 × 3,981.75
  4. Step 4: Simplify right side
    6,214.56x = 34,151,668.84
  5. Step 5: Solve for x
    x = 34,151,668.84/6,214.56
  6. Step 6: Final answer
    x = 5,495.43

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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.