Home / 6,857.12-10,279.50-2,471.52

Finding the Fourth Proportional to 6,857.12, 10,279.50 and 2,471.52

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Solution

The fourth proportional to 6,857.12, 10,279.50 and 2,471.52 is: 3,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.12 : 10,279.50 = 2,471.52 : x
  2. Step 2: Convert to fraction form
    6,857.12/10,279.50 = 2,471.52/x
  3. Step 3: Cross multiply
    6,857.12x = 10,279.50 × 2,471.52
  4. Step 4: Simplify right side
    6,857.12x = 25,405,989.84
  5. Step 5: Solve for x
    x = 25,405,989.84/6,857.12
  6. Step 6: Final answer
    x = 3,705.05

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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.