Home / 8,333.78-11,500.15-4,556.25

Finding the Fourth Proportional to 8,333.78, 11,500.15 and 4,556.25

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Solution

The fourth proportional to 8,333.78, 11,500.15 and 4,556.25 is: 6,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.78 : 11,500.15 = 4,556.25 : x
  2. Step 2: Convert to fraction form
    8,333.78/11,500.15 = 4,556.25/x
  3. Step 3: Cross multiply
    8,333.78x = 11,500.15 × 4,556.25
  4. Step 4: Simplify right side
    8,333.78x = 52,397,478.16
  5. Step 5: Solve for x
    x = 52,397,478.16/8,333.78
  6. Step 6: Final answer
    x = 6,287.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.