Home / 6,286.12-9,426.06-2,124.70

Finding the Fourth Proportional to 6,286.12, 9,426.06 and 2,124.70

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Solution

The fourth proportional to 6,286.12, 9,426.06 and 2,124.70 is: 3,186.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.12 : 9,426.06 = 2,124.70 : x
  2. Step 2: Convert to fraction form
    6,286.12/9,426.06 = 2,124.70/x
  3. Step 3: Cross multiply
    6,286.12x = 9,426.06 × 2,124.70
  4. Step 4: Simplify right side
    6,286.12x = 20,027,549.68
  5. Step 5: Solve for x
    x = 20,027,549.68/6,286.12
  6. Step 6: Final answer
    x = 3,186.00

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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.