Home / 8,373.47-12,556.56-2,825.78

Finding the Fourth Proportional to 8,373.47, 12,556.56 and 2,825.78

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Solution

The fourth proportional to 8,373.47, 12,556.56 and 2,825.78 is: 4,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.47 : 12,556.56 = 2,825.78 : x
  2. Step 2: Convert to fraction form
    8,373.47/12,556.56 = 2,825.78/x
  3. Step 3: Cross multiply
    8,373.47x = 12,556.56 × 2,825.78
  4. Step 4: Simplify right side
    8,373.47x = 35,482,076.12
  5. Step 5: Solve for x
    x = 35,482,076.12/8,373.47
  6. Step 6: Final answer
    x = 4,237.44

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1.5x scale

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.