Home / 6,218.76-8,581.50-3,424.26

Finding the Fourth Proportional to 6,218.76, 8,581.50 and 3,424.26

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Solution

The fourth proportional to 6,218.76, 8,581.50 and 3,424.26 is: 4,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.76 : 8,581.50 = 3,424.26 : x
  2. Step 2: Convert to fraction form
    6,218.76/8,581.50 = 3,424.26/x
  3. Step 3: Cross multiply
    6,218.76x = 8,581.50 × 3,424.26
  4. Step 4: Simplify right side
    6,218.76x = 29,385,287.19
  5. Step 5: Solve for x
    x = 29,385,287.19/6,218.76
  6. Step 6: Final answer
    x = 4,725.26

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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.