Home / 8,142.13-11,236.14-4,605.26

Finding the Fourth Proportional to 8,142.13, 11,236.14 and 4,605.26

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Solution

The fourth proportional to 8,142.13, 11,236.14 and 4,605.26 is: 6,355.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.13 : 11,236.14 = 4,605.26 : x
  2. Step 2: Convert to fraction form
    8,142.13/11,236.14 = 4,605.26/x
  3. Step 3: Cross multiply
    8,142.13x = 11,236.14 × 4,605.26
  4. Step 4: Simplify right side
    8,142.13x = 51,745,323.07
  5. Step 5: Solve for x
    x = 51,745,323.07/8,142.13
  6. Step 6: Final answer
    x = 6,355.26

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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.