Home / 7,992.30-11,029.32-4,455.30

Finding the Fourth Proportional to 7,992.30, 11,029.32 and 4,455.30

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Solution

The fourth proportional to 7,992.30, 11,029.32 and 4,455.30 is: 6,148.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.30 : 11,029.32 = 4,455.30 : x
  2. Step 2: Convert to fraction form
    7,992.30/11,029.32 = 4,455.30/x
  3. Step 3: Cross multiply
    7,992.30x = 11,029.32 × 4,455.30
  4. Step 4: Simplify right side
    7,992.30x = 49,138,929.40
  5. Step 5: Solve for x
    x = 49,138,929.40/7,992.30
  6. Step 6: Final answer
    x = 6,148.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.