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Finding the Fourth Proportional to 4,725.87, 7,092.45 and 1,953.87

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Solution

The fourth proportional to 4,725.87, 7,092.45 and 1,953.87 is: 2,932.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.87 : 7,092.45 = 1,953.87 : x
  2. Step 2: Convert to fraction form
    4,725.87/7,092.45 = 1,953.87/x
  3. Step 3: Cross multiply
    4,725.87x = 7,092.45 × 1,953.87
  4. Step 4: Simplify right side
    4,725.87x = 13,857,725.28
  5. Step 5: Solve for x
    x = 13,857,725.28/4,725.87
  6. Step 6: Final answer
    x = 2,932.31

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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.