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Finding the Fourth Proportional to 9,049.84, 13,574.76 and 2,894.32

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Solution

The fourth proportional to 9,049.84, 13,574.76 and 2,894.32 is: 4,341.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,049.84 : 13,574.76 = 2,894.32 : x
  2. Step 2: Convert to fraction form
    9,049.84/13,574.76 = 2,894.32/x
  3. Step 3: Cross multiply
    9,049.84x = 13,574.76 × 2,894.32
  4. Step 4: Simplify right side
    9,049.84x = 39,289,699.36
  5. Step 5: Solve for x
    x = 39,289,699.36/9,049.84
  6. Step 6: Final answer
    x = 4,341.48

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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.