Home / 6,739.68-10,109.02-2,580.06

Finding the Fourth Proportional to 6,739.68, 10,109.02 and 2,580.06

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Solution

The fourth proportional to 6,739.68, 10,109.02 and 2,580.06 is: 3,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.68 : 10,109.02 = 2,580.06 : x
  2. Step 2: Convert to fraction form
    6,739.68/10,109.02 = 2,580.06/x
  3. Step 3: Cross multiply
    6,739.68x = 10,109.02 × 2,580.06
  4. Step 4: Simplify right side
    6,739.68x = 26,081,878.14
  5. Step 5: Solve for x
    x = 26,081,878.14/6,739.68
  6. Step 6: Final answer
    x = 3,869.90

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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.