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Finding the Fourth Proportional to 7,195.51, 9,857.88 and 6,925.85

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Solution

The fourth proportional to 7,195.51, 9,857.88 and 6,925.85 is: 9,488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.51 : 9,857.88 = 6,925.85 : x
  2. Step 2: Convert to fraction form
    7,195.51/9,857.88 = 6,925.85/x
  3. Step 3: Cross multiply
    7,195.51x = 9,857.88 × 6,925.85
  4. Step 4: Simplify right side
    7,195.51x = 68,274,114.28
  5. Step 5: Solve for x
    x = 68,274,114.28/7,195.51
  6. Step 6: Final answer
    x = 9,488.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.