Home / 10,581.52-15,873.16-2,790.36

Finding the Fourth Proportional to 10,581.52, 15,873.16 and 2,790.36

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Solution

The fourth proportional to 10,581.52, 15,873.16 and 2,790.36 is: 4,185.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581.52 : 15,873.16 = 2,790.36 : x
  2. Step 2: Convert to fraction form
    10,581.52/15,873.16 = 2,790.36/x
  3. Step 3: Cross multiply
    10,581.52x = 15,873.16 × 2,790.36
  4. Step 4: Simplify right side
    10,581.52x = 44,291,830.74
  5. Step 5: Solve for x
    x = 44,291,830.74/10,581.52
  6. Step 6: Final answer
    x = 4,185.77

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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.