Home / 6,109.61-8,430.22-3,984.58

Finding the Fourth Proportional to 6,109.61, 8,430.22 and 3,984.58

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Solution

The fourth proportional to 6,109.61, 8,430.22 and 3,984.58 is: 5,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.61 : 8,430.22 = 3,984.58 : x
  2. Step 2: Convert to fraction form
    6,109.61/8,430.22 = 3,984.58/x
  3. Step 3: Cross multiply
    6,109.61x = 8,430.22 × 3,984.58
  4. Step 4: Simplify right side
    6,109.61x = 33,590,854.97
  5. Step 5: Solve for x
    x = 33,590,854.97/6,109.61
  6. Step 6: Final answer
    x = 5,498.03

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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.