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Finding the Fourth Proportional to 7,998.77, 12,000.65 and 2,376.47

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Solution

The fourth proportional to 7,998.77, 12,000.65 and 2,376.47 is: 3,565.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.77 : 12,000.65 = 2,376.47 : x
  2. Step 2: Convert to fraction form
    7,998.77/12,000.65 = 2,376.47/x
  3. Step 3: Cross multiply
    7,998.77x = 12,000.65 × 2,376.47
  4. Step 4: Simplify right side
    7,998.77x = 28,519,112.82
  5. Step 5: Solve for x
    x = 28,519,112.82/7,998.77
  6. Step 6: Final answer
    x = 3,565.44

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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.