Home / 9,285-13,931.13-4,087.23

Finding the Fourth Proportional to 9,285, 13,931.13 and 4,087.23

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Solution

The fourth proportional to 9,285, 13,931.13 and 4,087.23 is: 6,132.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285 : 13,931.13 = 4,087.23 : x
  2. Step 2: Convert to fraction form
    9,285/13,931.13 = 4,087.23/x
  3. Step 3: Cross multiply
    9,285x = 13,931.13 × 4,087.23
  4. Step 4: Simplify right side
    9,285x = 56,939,732.47
  5. Step 5: Solve for x
    x = 56,939,732.47/9,285
  6. Step 6: Final answer
    x = 6,132.44

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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.