Home / 7,554.96-11,319.84-2,621.88

Finding the Fourth Proportional to 7,554.96, 11,319.84 and 2,621.88

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Solution

The fourth proportional to 7,554.96, 11,319.84 and 2,621.88 is: 3,928.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554.96 : 11,319.84 = 2,621.88 : x
  2. Step 2: Convert to fraction form
    7,554.96/11,319.84 = 2,621.88/x
  3. Step 3: Cross multiply
    7,554.96x = 11,319.84 × 2,621.88
  4. Step 4: Simplify right side
    7,554.96x = 29,679,262.10
  5. Step 5: Solve for x
    x = 29,679,262.10/7,554.96
  6. Step 6: Final answer
    x = 3,928.45

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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.