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Finding the Fourth Proportional to 8,750.48, 13,125.17 and 3,556.22

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Solution

The fourth proportional to 8,750.48, 13,125.17 and 3,556.22 is: 5,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.48 : 13,125.17 = 3,556.22 : x
  2. Step 2: Convert to fraction form
    8,750.48/13,125.17 = 3,556.22/x
  3. Step 3: Cross multiply
    8,750.48x = 13,125.17 × 3,556.22
  4. Step 4: Simplify right side
    8,750.48x = 46,675,908.65
  5. Step 5: Solve for x
    x = 46,675,908.65/8,750.48
  6. Step 6: Final answer
    x = 5,334.10

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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.