Home / 6,259.56-8,638.12-3,426.90

Finding the Fourth Proportional to 6,259.56, 8,638.12 and 3,426.90

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Solution

The fourth proportional to 6,259.56, 8,638.12 and 3,426.90 is: 4,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,259.56 : 8,638.12 = 3,426.90 : x
  2. Step 2: Convert to fraction form
    6,259.56/8,638.12 = 3,426.90/x
  3. Step 3: Cross multiply
    6,259.56x = 8,638.12 × 3,426.90
  4. Step 4: Simplify right side
    6,259.56x = 29,601,973.43
  5. Step 5: Solve for x
    x = 29,601,973.43/6,259.56
  6. Step 6: Final answer
    x = 4,729.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.