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Finding the Fourth Proportional to 7,083, 9,774.14 and 3,896.69

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Solution

The fourth proportional to 7,083, 9,774.14 and 3,896.69 is: 5,377.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083 : 9,774.14 = 3,896.69 : x
  2. Step 2: Convert to fraction form
    7,083/9,774.14 = 3,896.69/x
  3. Step 3: Cross multiply
    7,083x = 9,774.14 × 3,896.69
  4. Step 4: Simplify right side
    7,083x = 38,086,725.24
  5. Step 5: Solve for x
    x = 38,086,725.24/7,083
  6. Step 6: Final answer
    x = 5,377.20

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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.