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Finding the Fourth Proportional to 7,258.65, 10,892.84 and 3,099.63

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Solution

The fourth proportional to 7,258.65, 10,892.84 and 3,099.63 is: 4,651.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.65 : 10,892.84 = 3,099.63 : x
  2. Step 2: Convert to fraction form
    7,258.65/10,892.84 = 3,099.63/x
  3. Step 3: Cross multiply
    7,258.65x = 10,892.84 × 3,099.63
  4. Step 4: Simplify right side
    7,258.65x = 33,763,773.65
  5. Step 5: Solve for x
    x = 33,763,773.65/7,258.65
  6. Step 6: Final answer
    x = 4,651.52

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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.