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Finding the Fourth Proportional to 7,873.69, 11,807.79 and 2,325.57

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Solution

The fourth proportional to 7,873.69, 11,807.79 and 2,325.57 is: 3,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.69 : 11,807.79 = 2,325.57 : x
  2. Step 2: Convert to fraction form
    7,873.69/11,807.79 = 2,325.57/x
  3. Step 3: Cross multiply
    7,873.69x = 11,807.79 × 2,325.57
  4. Step 4: Simplify right side
    7,873.69x = 27,459,842.19
  5. Step 5: Solve for x
    x = 27,459,842.19/7,873.69
  6. Step 6: Final answer
    x = 3,487.54

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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.