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Finding the Fourth Proportional to 8,750.52, 13,125.78 and 3,556.80

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Solution

The fourth proportional to 8,750.52, 13,125.78 and 3,556.80 is: 5,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.52 : 13,125.78 = 3,556.80 : x
  2. Step 2: Convert to fraction form
    8,750.52/13,125.78 = 3,556.80/x
  3. Step 3: Cross multiply
    8,750.52x = 13,125.78 × 3,556.80
  4. Step 4: Simplify right side
    8,750.52x = 46,685,774.30
  5. Step 5: Solve for x
    x = 46,685,774.30/8,750.52
  6. Step 6: Final answer
    x = 5,335.20

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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.