Home / 6,810.20-9,397.50-3,825.80

Finding the Fourth Proportional to 6,810.20, 9,397.50 and 3,825.80

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Solution

The fourth proportional to 6,810.20, 9,397.50 and 3,825.80 is: 5,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.20 : 9,397.50 = 3,825.80 : x
  2. Step 2: Convert to fraction form
    6,810.20/9,397.50 = 3,825.80/x
  3. Step 3: Cross multiply
    6,810.20x = 9,397.50 × 3,825.80
  4. Step 4: Simplify right side
    6,810.20x = 35,952,955.50
  5. Step 5: Solve for x
    x = 35,952,955.50/6,810.20
  6. Step 6: Final answer
    x = 5,279.28

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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.