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Finding the Fourth Proportional to 8,892.94, 13,341.44 and 3,049.20

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Solution

The fourth proportional to 8,892.94, 13,341.44 and 3,049.20 is: 4,574.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.94 : 13,341.44 = 3,049.20 : x
  2. Step 2: Convert to fraction form
    8,892.94/13,341.44 = 3,049.20/x
  3. Step 3: Cross multiply
    8,892.94x = 13,341.44 × 3,049.20
  4. Step 4: Simplify right side
    8,892.94x = 40,680,718.85
  5. Step 5: Solve for x
    x = 40,680,718.85/8,892.94
  6. Step 6: Final answer
    x = 4,574.50

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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.