Home / 7,302.06-10,936.62-5,120.55

Finding the Fourth Proportional to 7,302.06, 10,936.62 and 5,120.55

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Solution

The fourth proportional to 7,302.06, 10,936.62 and 5,120.55 is: 7,669.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,302.06 : 10,936.62 = 5,120.55 : x
  2. Step 2: Convert to fraction form
    7,302.06/10,936.62 = 5,120.55/x
  3. Step 3: Cross multiply
    7,302.06x = 10,936.62 × 5,120.55
  4. Step 4: Simplify right side
    7,302.06x = 56,001,509.54
  5. Step 5: Solve for x
    x = 56,001,509.54/7,302.06
  6. Step 6: Final answer
    x = 7,669.28

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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.