Home / 8,220.98-11,344.71-4,635.90

Finding the Fourth Proportional to 8,220.98, 11,344.71 and 4,635.90

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Solution

The fourth proportional to 8,220.98, 11,344.71 and 4,635.90 is: 6,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.98 : 11,344.71 = 4,635.90 : x
  2. Step 2: Convert to fraction form
    8,220.98/11,344.71 = 4,635.90/x
  3. Step 3: Cross multiply
    8,220.98x = 11,344.71 × 4,635.90
  4. Step 4: Simplify right side
    8,220.98x = 52,592,941.09
  5. Step 5: Solve for x
    x = 52,592,941.09/8,220.98
  6. Step 6: Final answer
    x = 6,397.41

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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.