Home / 6,426.12-9,617.25-5,387.29

Finding the Fourth Proportional to 6,426.12, 9,617.25 and 5,387.29

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Solution

The fourth proportional to 6,426.12, 9,617.25 and 5,387.29 is: 8,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.12 : 9,617.25 = 5,387.29 : x
  2. Step 2: Convert to fraction form
    6,426.12/9,617.25 = 5,387.29/x
  3. Step 3: Cross multiply
    6,426.12x = 9,617.25 × 5,387.29
  4. Step 4: Simplify right side
    6,426.12x = 51,810,914.75
  5. Step 5: Solve for x
    x = 51,810,914.75/6,426.12
  6. Step 6: Final answer
    x = 8,062.55

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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.