Home / 7,935.12-11,902.32-2,740.32

Finding the Fourth Proportional to 7,935.12, 11,902.32 and 2,740.32

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Solution

The fourth proportional to 7,935.12, 11,902.32 and 2,740.32 is: 4,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.12 : 11,902.32 = 2,740.32 : x
  2. Step 2: Convert to fraction form
    7,935.12/11,902.32 = 2,740.32/x
  3. Step 3: Cross multiply
    7,935.12x = 11,902.32 × 2,740.32
  4. Step 4: Simplify right side
    7,935.12x = 32,616,165.54
  5. Step 5: Solve for x
    x = 32,616,165.54/7,935.12
  6. Step 6: Final answer
    x = 4,110.36

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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.