Home / 6,816.49-10,224.72-1,886.11

Finding the Fourth Proportional to 6,816.49, 10,224.72 and 1,886.11

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Solution

The fourth proportional to 6,816.49, 10,224.72 and 1,886.11 is: 2,829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.49 : 10,224.72 = 1,886.11 : x
  2. Step 2: Convert to fraction form
    6,816.49/10,224.72 = 1,886.11/x
  3. Step 3: Cross multiply
    6,816.49x = 10,224.72 × 1,886.11
  4. Step 4: Simplify right side
    6,816.49x = 19,284,937.21
  5. Step 5: Solve for x
    x = 19,284,937.21/6,816.49
  6. Step 6: Final answer
    x = 2,829.16

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Double scale
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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.