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Finding the Fourth Proportional to 7,455.69, 10,288.98 and 4,098.65

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Solution

The fourth proportional to 7,455.69, 10,288.98 and 4,098.65 is: 5,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.69 : 10,288.98 = 4,098.65 : x
  2. Step 2: Convert to fraction form
    7,455.69/10,288.98 = 4,098.65/x
  3. Step 3: Cross multiply
    7,455.69x = 10,288.98 × 4,098.65
  4. Step 4: Simplify right side
    7,455.69x = 42,170,876.43
  5. Step 5: Solve for x
    x = 42,170,876.43/7,455.69
  6. Step 6: Final answer
    x = 5,656.20

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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.