Home / 7,586.66-11,372.78-2,653.08

Finding the Fourth Proportional to 7,586.66, 11,372.78 and 2,653.08

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Solution

The fourth proportional to 7,586.66, 11,372.78 and 2,653.08 is: 3,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,586.66 : 11,372.78 = 2,653.08 : x
  2. Step 2: Convert to fraction form
    7,586.66/11,372.78 = 2,653.08/x
  3. Step 3: Cross multiply
    7,586.66x = 11,372.78 × 2,653.08
  4. Step 4: Simplify right side
    7,586.66x = 30,172,895.16
  5. Step 5: Solve for x
    x = 30,172,895.16/7,586.66
  6. Step 6: Final answer
    x = 3,977.10

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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.