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Finding the Fourth Proportional to 6,179.76, 8,528.88 and 3,526.56

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Solution

The fourth proportional to 6,179.76, 8,528.88 and 3,526.56 is: 4,867.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,179.76 : 8,528.88 = 3,526.56 : x
  2. Step 2: Convert to fraction form
    6,179.76/8,528.88 = 3,526.56/x
  3. Step 3: Cross multiply
    6,179.76x = 8,528.88 × 3,526.56
  4. Step 4: Simplify right side
    6,179.76x = 30,077,607.05
  5. Step 5: Solve for x
    x = 30,077,607.05/6,179.76
  6. Step 6: Final answer
    x = 4,867.12

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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.