Home / 10,780.48-16,172.16-3,852.64

Finding the Fourth Proportional to 10,780.48, 16,172.16 and 3,852.64

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Solution

The fourth proportional to 10,780.48, 16,172.16 and 3,852.64 is: 5,779.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.48 : 16,172.16 = 3,852.64 : x
  2. Step 2: Convert to fraction form
    10,780.48/16,172.16 = 3,852.64/x
  3. Step 3: Cross multiply
    10,780.48x = 16,172.16 × 3,852.64
  4. Step 4: Simplify right side
    10,780.48x = 62,305,510.50
  5. Step 5: Solve for x
    x = 62,305,510.50/10,780.48
  6. Step 6: Final answer
    x = 5,779.47

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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.