Home / 7,929.12-11,901.12-4,036.32

Finding the Fourth Proportional to 7,929.12, 11,901.12 and 4,036.32

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Solution

The fourth proportional to 7,929.12, 11,901.12 and 4,036.32 is: 6,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.12 : 11,901.12 = 4,036.32 : x
  2. Step 2: Convert to fraction form
    7,929.12/11,901.12 = 4,036.32/x
  3. Step 3: Cross multiply
    7,929.12x = 11,901.12 × 4,036.32
  4. Step 4: Simplify right side
    7,929.12x = 48,036,728.68
  5. Step 5: Solve for x
    x = 48,036,728.68/7,929.12
  6. Step 6: Final answer
    x = 6,058.27

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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.