Home / 9,977.75-13,769.92-5,501.49

Finding the Fourth Proportional to 9,977.75, 13,769.92 and 5,501.49

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Solution

The fourth proportional to 9,977.75, 13,769.92 and 5,501.49 is: 7,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977.75 : 13,769.92 = 5,501.49 : x
  2. Step 2: Convert to fraction form
    9,977.75/13,769.92 = 5,501.49/x
  3. Step 3: Cross multiply
    9,977.75x = 13,769.92 × 5,501.49
  4. Step 4: Simplify right side
    9,977.75x = 75,755,078.93
  5. Step 5: Solve for x
    x = 75,755,078.93/9,977.75
  6. Step 6: Final answer
    x = 7,592.40

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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.