Home / 6,814.20-9,403.02-3,829.80

Finding the Fourth Proportional to 6,814.20, 9,403.02 and 3,829.80

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Solution

The fourth proportional to 6,814.20, 9,403.02 and 3,829.80 is: 5,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814.20 : 9,403.02 = 3,829.80 : x
  2. Step 2: Convert to fraction form
    6,814.20/9,403.02 = 3,829.80/x
  3. Step 3: Cross multiply
    6,814.20x = 9,403.02 × 3,829.80
  4. Step 4: Simplify right side
    6,814.20x = 36,011,686.00
  5. Step 5: Solve for x
    x = 36,011,686.00/6,814.20
  6. Step 6: Final answer
    x = 5,284.80

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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.