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Finding the Fourth Proportional to 6,897, 9,519.48 and 4,104.12

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Solution

The fourth proportional to 6,897, 9,519.48 and 4,104.12 is: 5,664.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897 : 9,519.48 = 4,104.12 : x
  2. Step 2: Convert to fraction form
    6,897/9,519.48 = 4,104.12/x
  3. Step 3: Cross multiply
    6,897x = 9,519.48 × 4,104.12
  4. Step 4: Simplify right side
    6,897x = 39,069,088.26
  5. Step 5: Solve for x
    x = 39,069,088.26/6,897
  6. Step 6: Final answer
    x = 5,664.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.