Home / 6,717.12-10,076-2,556.80

Finding the Fourth Proportional to 6,717.12, 10,076 and 2,556.80

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Solution

The fourth proportional to 6,717.12, 10,076 and 2,556.80 is: 3,835.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.12 : 10,076 = 2,556.80 : x
  2. Step 2: Convert to fraction form
    6,717.12/10,076 = 2,556.80/x
  3. Step 3: Cross multiply
    6,717.12x = 10,076 × 2,556.80
  4. Step 4: Simplify right side
    6,717.12x = 25,762,316.80
  5. Step 5: Solve for x
    x = 25,762,316.80/6,717.12
  6. Step 6: Final answer
    x = 3,835.32

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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.