Home / 10,710.28-16,066.62-2,919.16

Finding the Fourth Proportional to 10,710.28, 16,066.62 and 2,919.16

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Solution

The fourth proportional to 10,710.28, 16,066.62 and 2,919.16 is: 4,379.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,710.28 : 16,066.62 = 2,919.16 : x
  2. Step 2: Convert to fraction form
    10,710.28/16,066.62 = 2,919.16/x
  3. Step 3: Cross multiply
    10,710.28x = 16,066.62 × 2,919.16
  4. Step 4: Simplify right side
    10,710.28x = 46,901,034.44
  5. Step 5: Solve for x
    x = 46,901,034.44/10,710.28
  6. Step 6: Final answer
    x = 4,379.07

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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.