Home / 6,109.33-8,430.88-3,456.68

Finding the Fourth Proportional to 6,109.33, 8,430.88 and 3,456.68

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Solution

The fourth proportional to 6,109.33, 8,430.88 and 3,456.68 is: 4,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.33 : 8,430.88 = 3,456.68 : x
  2. Step 2: Convert to fraction form
    6,109.33/8,430.88 = 3,456.68/x
  3. Step 3: Cross multiply
    6,109.33x = 8,430.88 × 3,456.68
  4. Step 4: Simplify right side
    6,109.33x = 29,142,854.28
  5. Step 5: Solve for x
    x = 29,142,854.28/6,109.33
  6. Step 6: Final answer
    x = 4,770.22

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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.