Home / 7,518.49-11,278.04-2,838.01

Finding the Fourth Proportional to 7,518.49, 11,278.04 and 2,838.01

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Solution

The fourth proportional to 7,518.49, 11,278.04 and 2,838.01 is: 4,257.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.49 : 11,278.04 = 2,838.01 : x
  2. Step 2: Convert to fraction form
    7,518.49/11,278.04 = 2,838.01/x
  3. Step 3: Cross multiply
    7,518.49x = 11,278.04 × 2,838.01
  4. Step 4: Simplify right side
    7,518.49x = 32,007,190.30
  5. Step 5: Solve for x
    x = 32,007,190.30/7,518.49
  6. Step 6: Final answer
    x = 4,257.13

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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.