Home / 6,262.43-8,640.18-3,609.47

Finding the Fourth Proportional to 6,262.43, 8,640.18 and 3,609.47

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Solution

The fourth proportional to 6,262.43, 8,640.18 and 3,609.47 is: 4,979.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262.43 : 8,640.18 = 3,609.47 : x
  2. Step 2: Convert to fraction form
    6,262.43/8,640.18 = 3,609.47/x
  3. Step 3: Cross multiply
    6,262.43x = 8,640.18 × 3,609.47
  4. Step 4: Simplify right side
    6,262.43x = 31,186,427.30
  5. Step 5: Solve for x
    x = 31,186,427.30/6,262.43
  6. Step 6: Final answer
    x = 4,979.93

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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.