Home / 10,554.52-15,820.60-3,977.88

Finding the Fourth Proportional to 10,554.52, 15,820.60 and 3,977.88

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Solution

The fourth proportional to 10,554.52, 15,820.60 and 3,977.88 is: 5,962.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.52 : 15,820.60 = 3,977.88 : x
  2. Step 2: Convert to fraction form
    10,554.52/15,820.60 = 3,977.88/x
  3. Step 3: Cross multiply
    10,554.52x = 15,820.60 × 3,977.88
  4. Step 4: Simplify right side
    10,554.52x = 62,932,448.33
  5. Step 5: Solve for x
    x = 62,932,448.33/10,554.52
  6. Step 6: Final answer
    x = 5,962.61

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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.