Home / 6,286.79-9,426.27-2,125.55

Finding the Fourth Proportional to 6,286.79, 9,426.27 and 2,125.55

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Solution

The fourth proportional to 6,286.79, 9,426.27 and 2,125.55 is: 3,187.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.79 : 9,426.27 = 2,125.55 : x
  2. Step 2: Convert to fraction form
    6,286.79/9,426.27 = 2,125.55/x
  3. Step 3: Cross multiply
    6,286.79x = 9,426.27 × 2,125.55
  4. Step 4: Simplify right side
    6,286.79x = 20,036,008.20
  5. Step 5: Solve for x
    x = 20,036,008.20/6,286.79
  6. Step 6: Final answer
    x = 3,187.00

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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.