Home / 6,259.72-8,634.68-3,901.40

Finding the Fourth Proportional to 6,259.72, 8,634.68 and 3,901.40

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Solution

The fourth proportional to 6,259.72, 8,634.68 and 3,901.40 is: 5,381.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,259.72 : 8,634.68 = 3,901.40 : x
  2. Step 2: Convert to fraction form
    6,259.72/8,634.68 = 3,901.40/x
  3. Step 3: Cross multiply
    6,259.72x = 8,634.68 × 3,901.40
  4. Step 4: Simplify right side
    6,259.72x = 33,687,340.55
  5. Step 5: Solve for x
    x = 33,687,340.55/6,259.72
  6. Step 6: Final answer
    x = 5,381.61

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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.