Home / 7,935.20-11,886.60-3,762.56

Finding the Fourth Proportional to 7,935.20, 11,886.60 and 3,762.56

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Solution

The fourth proportional to 7,935.20, 11,886.60 and 3,762.56 is: 5,636.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.20 : 11,886.60 = 3,762.56 : x
  2. Step 2: Convert to fraction form
    7,935.20/11,886.60 = 3,762.56/x
  3. Step 3: Cross multiply
    7,935.20x = 11,886.60 × 3,762.56
  4. Step 4: Simplify right side
    7,935.20x = 44,724,045.70
  5. Step 5: Solve for x
    x = 44,724,045.70/7,935.20
  6. Step 6: Final answer
    x = 5,636.16

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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.