Home / 6,180.12-8,528.58-3,385.56

Finding the Fourth Proportional to 6,180.12, 8,528.58 and 3,385.56

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Solution

The fourth proportional to 6,180.12, 8,528.58 and 3,385.56 is: 4,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.12 : 8,528.58 = 3,385.56 : x
  2. Step 2: Convert to fraction form
    6,180.12/8,528.58 = 3,385.56/x
  3. Step 3: Cross multiply
    6,180.12x = 8,528.58 × 3,385.56
  4. Step 4: Simplify right side
    6,180.12x = 28,874,019.30
  5. Step 5: Solve for x
    x = 28,874,019.30/6,180.12
  6. Step 6: Final answer
    x = 4,672.08

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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.