Home / 6,816.36-10,224.18-1,886.16

Finding the Fourth Proportional to 6,816.36, 10,224.18 and 1,886.16

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Solution

The fourth proportional to 6,816.36, 10,224.18 and 1,886.16 is: 2,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.36 : 10,224.18 = 1,886.16 : x
  2. Step 2: Convert to fraction form
    6,816.36/10,224.18 = 1,886.16/x
  3. Step 3: Cross multiply
    6,816.36x = 10,224.18 × 1,886.16
  4. Step 4: Simplify right side
    6,816.36x = 19,284,439.35
  5. Step 5: Solve for x
    x = 19,284,439.35/6,816.36
  6. Step 6: Final answer
    x = 2,829.14

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Half scale
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Double scale
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Similar ratio
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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.