Home / 7,931.58-11,896.43-2,088.65

Finding the Fourth Proportional to 7,931.58, 11,896.43 and 2,088.65

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Solution

The fourth proportional to 7,931.58, 11,896.43 and 2,088.65 is: 3,132.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.58 : 11,896.43 = 2,088.65 : x
  2. Step 2: Convert to fraction form
    7,931.58/11,896.43 = 2,088.65/x
  3. Step 3: Cross multiply
    7,931.58x = 11,896.43 × 2,088.65
  4. Step 4: Simplify right side
    7,931.58x = 24,847,408.59
  5. Step 5: Solve for x
    x = 24,847,408.59/7,931.58
  6. Step 6: Final answer
    x = 3,132.72

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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.