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Finding the Fourth Proportional to 6,805.69, 10,208.53 and 1,875.38

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Solution

The fourth proportional to 6,805.69, 10,208.53 and 1,875.38 is: 2,813.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805.69 : 10,208.53 = 1,875.38 : x
  2. Step 2: Convert to fraction form
    6,805.69/10,208.53 = 1,875.38/x
  3. Step 3: Cross multiply
    6,805.69x = 10,208.53 × 1,875.38
  4. Step 4: Simplify right side
    6,805.69x = 19,144,821.95
  5. Step 5: Solve for x
    x = 19,144,821.95/6,805.69
  6. Step 6: Final answer
    x = 2,813.06

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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.