Home / 6,243.62-8,618.70-4,256.18

Finding the Fourth Proportional to 6,243.62, 8,618.70 and 4,256.18

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Solution

The fourth proportional to 6,243.62, 8,618.70 and 4,256.18 is: 5,875.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.62 : 8,618.70 = 4,256.18 : x
  2. Step 2: Convert to fraction form
    6,243.62/8,618.70 = 4,256.18/x
  3. Step 3: Cross multiply
    6,243.62x = 8,618.70 × 4,256.18
  4. Step 4: Simplify right side
    6,243.62x = 36,682,743.75
  5. Step 5: Solve for x
    x = 36,682,743.75/6,243.62
  6. Step 6: Final answer
    x = 5,875.24

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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.