Home / 4,259.88-6,387.12-1,796.40

Finding the Fourth Proportional to 4,259.88, 6,387.12 and 1,796.40

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Solution

The fourth proportional to 4,259.88, 6,387.12 and 1,796.40 is: 2,693.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.88 : 6,387.12 = 1,796.40 : x
  2. Step 2: Convert to fraction form
    4,259.88/6,387.12 = 1,796.40/x
  3. Step 3: Cross multiply
    4,259.88x = 6,387.12 × 1,796.40
  4. Step 4: Simplify right side
    4,259.88x = 11,473,822.37
  5. Step 5: Solve for x
    x = 11,473,822.37/4,259.88
  6. Step 6: Final answer
    x = 2,693.46

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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.