Home / 6,739.50-10,109.25-3,091.50

Finding the Fourth Proportional to 6,739.50, 10,109.25 and 3,091.50

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Solution

The fourth proportional to 6,739.50, 10,109.25 and 3,091.50 is: 4,637.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.50 : 10,109.25 = 3,091.50 : x
  2. Step 2: Convert to fraction form
    6,739.50/10,109.25 = 3,091.50/x
  3. Step 3: Cross multiply
    6,739.50x = 10,109.25 × 3,091.50
  4. Step 4: Simplify right side
    6,739.50x = 31,252,746.38
  5. Step 5: Solve for x
    x = 31,252,746.38/6,739.50
  6. Step 6: Final answer
    x = 4,637.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.