Home / 8,426.61-12,629.84-4,727.25

Finding the Fourth Proportional to 8,426.61, 12,629.84 and 4,727.25

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Solution

The fourth proportional to 8,426.61, 12,629.84 and 4,727.25 is: 7,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.61 : 12,629.84 = 4,727.25 : x
  2. Step 2: Convert to fraction form
    8,426.61/12,629.84 = 4,727.25/x
  3. Step 3: Cross multiply
    8,426.61x = 12,629.84 × 4,727.25
  4. Step 4: Simplify right side
    8,426.61x = 59,704,387.50
  5. Step 5: Solve for x
    x = 59,704,387.50/8,426.61
  6. Step 6: Final answer
    x = 7,085.22

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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.