Home / 6,829.40-9,419.33-5,151.08

Finding the Fourth Proportional to 6,829.40, 9,419.33 and 5,151.08

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Solution

The fourth proportional to 6,829.40, 9,419.33 and 5,151.08 is: 7,104.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,829.40 : 9,419.33 = 5,151.08 : x
  2. Step 2: Convert to fraction form
    6,829.40/9,419.33 = 5,151.08/x
  3. Step 3: Cross multiply
    6,829.40x = 9,419.33 × 5,151.08
  4. Step 4: Simplify right side
    6,829.40x = 48,519,649.52
  5. Step 5: Solve for x
    x = 48,519,649.52/6,829.40
  6. Step 6: Final answer
    x = 7,104.53

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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.