Home / 6,829.12-9,419.45-4,177.84

Finding the Fourth Proportional to 6,829.12, 9,419.45 and 4,177.84

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Solution

The fourth proportional to 6,829.12, 9,419.45 and 4,177.84 is: 5,762.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,829.12 : 9,419.45 = 4,177.84 : x
  2. Step 2: Convert to fraction form
    6,829.12/9,419.45 = 4,177.84/x
  3. Step 3: Cross multiply
    6,829.12x = 9,419.45 × 4,177.84
  4. Step 4: Simplify right side
    6,829.12x = 39,352,941.88
  5. Step 5: Solve for x
    x = 39,352,941.88/6,829.12
  6. Step 6: Final answer
    x = 5,762.52

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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.