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Finding the Fourth Proportional to 7,050.96, 9,730.40 and 3,907.13

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Solution

The fourth proportional to 7,050.96, 9,730.40 and 3,907.13 is: 5,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.96 : 9,730.40 = 3,907.13 : x
  2. Step 2: Convert to fraction form
    7,050.96/9,730.40 = 3,907.13/x
  3. Step 3: Cross multiply
    7,050.96x = 9,730.40 × 3,907.13
  4. Step 4: Simplify right side
    7,050.96x = 38,017,869.56
  5. Step 5: Solve for x
    x = 38,017,869.56/7,050.96
  6. Step 6: Final answer
    x = 5,391.87

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