Home / 10,710.72-16,065.78-2,919.52

Finding the Fourth Proportional to 10,710.72, 16,065.78 and 2,919.52

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Solution

The fourth proportional to 10,710.72, 16,065.78 and 2,919.52 is: 4,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,710.72 : 16,065.78 = 2,919.52 : x
  2. Step 2: Convert to fraction form
    10,710.72/16,065.78 = 2,919.52/x
  3. Step 3: Cross multiply
    10,710.72x = 16,065.78 × 2,919.52
  4. Step 4: Simplify right side
    10,710.72x = 46,904,366.03
  5. Step 5: Solve for x
    x = 46,904,366.03/10,710.72
  6. Step 6: Final answer
    x = 4,379.20

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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.