Home / 6,812.10-10,218.15-5,718.60

Finding the Fourth Proportional to 6,812.10, 10,218.15 and 5,718.60

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Solution

The fourth proportional to 6,812.10, 10,218.15 and 5,718.60 is: 8,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.10 : 10,218.15 = 5,718.60 : x
  2. Step 2: Convert to fraction form
    6,812.10/10,218.15 = 5,718.60/x
  3. Step 3: Cross multiply
    6,812.10x = 10,218.15 × 5,718.60
  4. Step 4: Simplify right side
    6,812.10x = 58,433,512.59
  5. Step 5: Solve for x
    x = 58,433,512.59/6,812.10
  6. Step 6: Final answer
    x = 8,577.90

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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.