Home / 10,580.66-15,869.37-2,790.08

Finding the Fourth Proportional to 10,580.66, 15,869.37 and 2,790.08

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Solution

The fourth proportional to 10,580.66, 15,869.37 and 2,790.08 is: 4,184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,580.66 : 15,869.37 = 2,790.08 : x
  2. Step 2: Convert to fraction form
    10,580.66/15,869.37 = 2,790.08/x
  3. Step 3: Cross multiply
    10,580.66x = 15,869.37 × 2,790.08
  4. Step 4: Simplify right side
    10,580.66x = 44,276,786.78
  5. Step 5: Solve for x
    x = 44,276,786.78/10,580.66
  6. Step 6: Final answer
    x = 4,184.69

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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.