Home / 6,286.31-9,426.00-1,903.20

Finding the Fourth Proportional to 6,286.31, 9,426.00 and 1,903.20

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Solution

The fourth proportional to 6,286.31, 9,426.00 and 1,903.20 is: 2,853.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.31 : 9,426.00 = 1,903.20 : x
  2. Step 2: Convert to fraction form
    6,286.31/9,426.00 = 1,903.20/x
  3. Step 3: Cross multiply
    6,286.31x = 9,426.00 × 1,903.20
  4. Step 4: Simplify right side
    6,286.31x = 17,939,534.99
  5. Step 5: Solve for x
    x = 17,939,534.99/6,286.31
  6. Step 6: Final answer
    x = 2,853.75

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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.