Home / 8,426.12-12,643.41-4,047.26

Finding the Fourth Proportional to 8,426.12, 12,643.41 and 4,047.26

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Solution

The fourth proportional to 8,426.12, 12,643.41 and 4,047.26 is: 6,072.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.12 : 12,643.41 = 4,047.26 : x
  2. Step 2: Convert to fraction form
    8,426.12/12,643.41 = 4,047.26/x
  3. Step 3: Cross multiply
    8,426.12x = 12,643.41 × 4,047.26
  4. Step 4: Simplify right side
    8,426.12x = 51,171,104.34
  5. Step 5: Solve for x
    x = 51,171,104.34/8,426.12
  6. Step 6: Final answer
    x = 6,072.92

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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.