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Finding the Fourth Proportional to 7,865.37, 11,798.04 and 5,392.69

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Solution

The fourth proportional to 7,865.37, 11,798.04 and 5,392.69 is: 8,089.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.37 : 11,798.04 = 5,392.69 : x
  2. Step 2: Convert to fraction form
    7,865.37/11,798.04 = 5,392.69/x
  3. Step 3: Cross multiply
    7,865.37x = 11,798.04 × 5,392.69
  4. Step 4: Simplify right side
    7,865.37x = 63,623,172.33
  5. Step 5: Solve for x
    x = 63,623,172.33/7,865.37
  6. Step 6: Final answer
    x = 8,089.03

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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.