Home / 6,805.71-10,205.48-2,642.58

Finding the Fourth Proportional to 6,805.71, 10,205.48 and 2,642.58

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Solution

The fourth proportional to 6,805.71, 10,205.48 and 2,642.58 is: 3,962.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805.71 : 10,205.48 = 2,642.58 : x
  2. Step 2: Convert to fraction form
    6,805.71/10,205.48 = 2,642.58/x
  3. Step 3: Cross multiply
    6,805.71x = 10,205.48 × 2,642.58
  4. Step 4: Simplify right side
    6,805.71x = 26,968,784.13
  5. Step 5: Solve for x
    x = 26,968,784.13/6,805.71
  6. Step 6: Final answer
    x = 3,962.67

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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.