Home / 7,455.72-11,204.10-5,161.80

Finding the Fourth Proportional to 7,455.72, 11,204.10 and 5,161.80

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Solution

The fourth proportional to 7,455.72, 11,204.10 and 5,161.80 is: 7,756.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.72 : 11,204.10 = 5,161.80 : x
  2. Step 2: Convert to fraction form
    7,455.72/11,204.10 = 5,161.80/x
  3. Step 3: Cross multiply
    7,455.72x = 11,204.10 × 5,161.80
  4. Step 4: Simplify right side
    7,455.72x = 57,833,323.38
  5. Step 5: Solve for x
    x = 57,833,323.38/7,455.72
  6. Step 6: Final answer
    x = 7,756.91

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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.