Home / 6,755.60-10,133.40-4,422.80

Finding the Fourth Proportional to 6,755.60, 10,133.40 and 4,422.80

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Solution

The fourth proportional to 6,755.60, 10,133.40 and 4,422.80 is: 6,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,755.60 : 10,133.40 = 4,422.80 : x
  2. Step 2: Convert to fraction form
    6,755.60/10,133.40 = 4,422.80/x
  3. Step 3: Cross multiply
    6,755.60x = 10,133.40 × 4,422.80
  4. Step 4: Simplify right side
    6,755.60x = 44,818,001.52
  5. Step 5: Solve for x
    x = 44,818,001.52/6,755.60
  6. Step 6: Final answer
    x = 6,634.20

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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.