Home / 6,839.67-10,259.51-1,645.55

Finding the Fourth Proportional to 6,839.67, 10,259.51 and 1,645.55

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Solution

The fourth proportional to 6,839.67, 10,259.51 and 1,645.55 is: 2,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.67 : 10,259.51 = 1,645.55 : x
  2. Step 2: Convert to fraction form
    6,839.67/10,259.51 = 1,645.55/x
  3. Step 3: Cross multiply
    6,839.67x = 10,259.51 × 1,645.55
  4. Step 4: Simplify right side
    6,839.67x = 16,882,477.16
  5. Step 5: Solve for x
    x = 16,882,477.16/6,839.67
  6. Step 6: Final answer
    x = 2,468.32

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Similar ratio
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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.