Home / 6,816.60-10,224.81-1,886.18

Finding the Fourth Proportional to 6,816.60, 10,224.81 and 1,886.18

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Solution

The fourth proportional to 6,816.60, 10,224.81 and 1,886.18 is: 2,829.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.60 : 10,224.81 = 1,886.18 : x
  2. Step 2: Convert to fraction form
    6,816.60/10,224.81 = 1,886.18/x
  3. Step 3: Cross multiply
    6,816.60x = 10,224.81 × 1,886.18
  4. Step 4: Simplify right side
    6,816.60x = 19,285,781.00
  5. Step 5: Solve for x
    x = 19,285,781.00/6,816.60
  6. Step 6: Final answer
    x = 2,829.24

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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.