Home / 6,180-8,528.58-3,385.68

Finding the Fourth Proportional to 6,180, 8,528.58 and 3,385.68

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Solution

The fourth proportional to 6,180, 8,528.58 and 3,385.68 is: 4,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180 : 8,528.58 = 3,385.68 : x
  2. Step 2: Convert to fraction form
    6,180/8,528.58 = 3,385.68/x
  3. Step 3: Cross multiply
    6,180x = 8,528.58 × 3,385.68
  4. Step 4: Simplify right side
    6,180x = 28,875,042.73
  5. Step 5: Solve for x
    x = 28,875,042.73/6,180
  6. Step 6: Final answer
    x = 4,672.34

Related Problems

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Half scale
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Double scale
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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.