Home / 8,109.34-11,190.01-4,751.48

Finding the Fourth Proportional to 8,109.34, 11,190.01 and 4,751.48

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Solution

The fourth proportional to 8,109.34, 11,190.01 and 4,751.48 is: 6,556.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.34 : 11,190.01 = 4,751.48 : x
  2. Step 2: Convert to fraction form
    8,109.34/11,190.01 = 4,751.48/x
  3. Step 3: Cross multiply
    8,109.34x = 11,190.01 × 4,751.48
  4. Step 4: Simplify right side
    8,109.34x = 53,169,108.71
  5. Step 5: Solve for x
    x = 53,169,108.71/8,109.34
  6. Step 6: Final answer
    x = 6,556.53

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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.