Home / 6,072.50-9,108.79-1,689.96

Finding the Fourth Proportional to 6,072.50, 9,108.79 and 1,689.96

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Solution

The fourth proportional to 6,072.50, 9,108.79 and 1,689.96 is: 2,534.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,072.50 : 9,108.79 = 1,689.96 : x
  2. Step 2: Convert to fraction form
    6,072.50/9,108.79 = 1,689.96/x
  3. Step 3: Cross multiply
    6,072.50x = 9,108.79 × 1,689.96
  4. Step 4: Simplify right side
    6,072.50x = 15,393,520.68
  5. Step 5: Solve for x
    x = 15,393,520.68/6,072.50
  6. Step 6: Final answer
    x = 2,534.96

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.