Home / 7,751.37-11,630.16-2,821.35

Finding the Fourth Proportional to 7,751.37, 11,630.16 and 2,821.35

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Solution

The fourth proportional to 7,751.37, 11,630.16 and 2,821.35 is: 4,233.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.37 : 11,630.16 = 2,821.35 : x
  2. Step 2: Convert to fraction form
    7,751.37/11,630.16 = 2,821.35/x
  3. Step 3: Cross multiply
    7,751.37x = 11,630.16 × 2,821.35
  4. Step 4: Simplify right side
    7,751.37x = 32,812,751.92
  5. Step 5: Solve for x
    x = 32,812,751.92/7,751.37
  6. Step 6: Final answer
    x = 4,233.16

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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.