Home / 8,072.45-11,145.36-5,052.15

Finding the Fourth Proportional to 8,072.45, 11,145.36 and 5,052.15

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Solution

The fourth proportional to 8,072.45, 11,145.36 and 5,052.15 is: 6,975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.45 : 11,145.36 = 5,052.15 : x
  2. Step 2: Convert to fraction form
    8,072.45/11,145.36 = 5,052.15/x
  3. Step 3: Cross multiply
    8,072.45x = 11,145.36 × 5,052.15
  4. Step 4: Simplify right side
    8,072.45x = 56,308,030.52
  5. Step 5: Solve for x
    x = 56,308,030.52/8,072.45
  6. Step 6: Final answer
    x = 6,975.34

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Half scale
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Double scale
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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.