Home / 8,422.74-11,625.71-4,885.26

Finding the Fourth Proportional to 8,422.74, 11,625.71 and 4,885.26

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Solution

The fourth proportional to 8,422.74, 11,625.71 and 4,885.26 is: 6,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422.74 : 11,625.71 = 4,885.26 : x
  2. Step 2: Convert to fraction form
    8,422.74/11,625.71 = 4,885.26/x
  3. Step 3: Cross multiply
    8,422.74x = 11,625.71 × 4,885.26
  4. Step 4: Simplify right side
    8,422.74x = 56,794,591.61
  5. Step 5: Solve for x
    x = 56,794,591.61/8,422.74
  6. Step 6: Final answer
    x = 6,743.01

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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.