Home / 8,052.35-11,052.96-7,148.39

Finding the Fourth Proportional to 8,052.35, 11,052.96 and 7,148.39

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Solution

The fourth proportional to 8,052.35, 11,052.96 and 7,148.39 is: 9,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,052.35 : 11,052.96 = 7,148.39 : x
  2. Step 2: Convert to fraction form
    8,052.35/11,052.96 = 7,148.39/x
  3. Step 3: Cross multiply
    8,052.35x = 11,052.96 × 7,148.39
  4. Step 4: Simplify right side
    8,052.35x = 79,010,786.66
  5. Step 5: Solve for x
    x = 79,010,786.66/8,052.35
  6. Step 6: Final answer
    x = 9,812.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.