Home / 7,851.37-11,761.14-3,628.62

Finding the Fourth Proportional to 7,851.37, 11,761.14 and 3,628.62

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Solution

The fourth proportional to 7,851.37, 11,761.14 and 3,628.62 is: 5,435.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.37 : 11,761.14 = 3,628.62 : x
  2. Step 2: Convert to fraction form
    7,851.37/11,761.14 = 3,628.62/x
  3. Step 3: Cross multiply
    7,851.37x = 11,761.14 × 3,628.62
  4. Step 4: Simplify right side
    7,851.37x = 42,676,707.83
  5. Step 5: Solve for x
    x = 42,676,707.83/7,851.37
  6. Step 6: Final answer
    x = 5,435.57

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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.