Home / 8,261.28-12,374.37-6,497.91

Finding the Fourth Proportional to 8,261.28, 12,374.37 and 6,497.91

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Solution

The fourth proportional to 8,261.28, 12,374.37 and 6,497.91 is: 9,733.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.28 : 12,374.37 = 6,497.91 : x
  2. Step 2: Convert to fraction form
    8,261.28/12,374.37 = 6,497.91/x
  3. Step 3: Cross multiply
    8,261.28x = 12,374.37 × 6,497.91
  4. Step 4: Simplify right side
    8,261.28x = 80,407,542.57
  5. Step 5: Solve for x
    x = 80,407,542.57/8,261.28
  6. Step 6: Final answer
    x = 9,733.06

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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.