Home / 10,440.88-15,653.58-3,865.84

Finding the Fourth Proportional to 10,440.88, 15,653.58 and 3,865.84

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Solution

The fourth proportional to 10,440.88, 15,653.58 and 3,865.84 is: 5,795.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.88 : 15,653.58 = 3,865.84 : x
  2. Step 2: Convert to fraction form
    10,440.88/15,653.58 = 3,865.84/x
  3. Step 3: Cross multiply
    10,440.88x = 15,653.58 × 3,865.84
  4. Step 4: Simplify right side
    10,440.88x = 60,514,235.71
  5. Step 5: Solve for x
    x = 60,514,235.71/10,440.88
  6. Step 6: Final answer
    x = 5,795.89

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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.