Home / 6,739.81-10,109.71-2,842.09

Finding the Fourth Proportional to 6,739.81, 10,109.71 and 2,842.09

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Solution

The fourth proportional to 6,739.81, 10,109.71 and 2,842.09 is: 4,263.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.81 : 10,109.71 = 2,842.09 : x
  2. Step 2: Convert to fraction form
    6,739.81/10,109.71 = 2,842.09/x
  3. Step 3: Cross multiply
    6,739.81x = 10,109.71 × 2,842.09
  4. Step 4: Simplify right side
    6,739.81x = 28,732,683.97
  5. Step 5: Solve for x
    x = 28,732,683.97/6,739.81
  6. Step 6: Final answer
    x = 4,263.13

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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.