Home / 7,421.07-11,133.50-5,469.93

Finding the Fourth Proportional to 7,421.07, 11,133.50 and 5,469.93

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Solution

The fourth proportional to 7,421.07, 11,133.50 and 5,469.93 is: 8,206.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.07 : 11,133.50 = 5,469.93 : x
  2. Step 2: Convert to fraction form
    7,421.07/11,133.50 = 5,469.93/x
  3. Step 3: Cross multiply
    7,421.07x = 11,133.50 × 5,469.93
  4. Step 4: Simplify right side
    7,421.07x = 60,899,469.07
  5. Step 5: Solve for x
    x = 60,899,469.07/7,421.07
  6. Step 6: Final answer
    x = 8,206.29

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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.